1.
All knowledge that is not the real product of observation, or of consequences deduced from observation, is entirely groundless and illusory.
Jean-Baptiste Lamarck
2.
Nothing in Scientology is true for you unless you have observed it and it is true according to your observation
L. Ron Hubbard
3.
Balloon: Thing to take meteroric observations and commit suicide with.
Mark Twain
5.
Observe, and in that observation there is neither the "observer" nor the "observed" - there is only observation taking place.
Jiddu Krishnamurti
7.
...separation of the observer from the phenomenon to be observed is no longer possible.
Werner Heisenberg
9.
Objectivity is the delusion that observations could be made without an observer.
Heinz von Foerster
10.
It doesn't take many observations to think you've spotted a trend, and it's probably not a trend at all.
Daniel Kahneman
12.
Seeing artistically does not happen automatically. We must constantly develop our powers of observation.
Eugene Delacroix
13.
One can state, without exaggeration, that the observation of and the search for similarities and differences are the basis of all human knowledge.
Alfred Nobel
14.
Observation, reason, and experiment make up what we call the scientific method.
Richard P. Feynman
15.
Theories crumble, but good observations never fade.
Harlow Shapley
16.
Knowledge will not always take the place of simple observation.
Arnold Lobel
17.
The key to my work is that I stopped, physically, to observe something. I raised my camera and recorded my observations.
Julius Shulman
18.
Men are more apt to be mistaken in their generalizations than in their particular observations.
Niccolo Machiavelli
19.
An amazing observation: it is precisely for feelings that one needs time, not for thought. ... Feelings, obviously, are more demanding than thought.
Marina Tsvetaeva
20.
There is no pure, disinterested, theory-free observation.
Karl Popper
21.
You are one of the rare people who can separate your observation from your perception...you see what is, where most people see what they expect.
Tsitsi Dangarembga
22.
The only way I could work properly was by using the absolute maximum of observation and concentration that I could possible muster.
Lucian Freud
23.
The observer listens to nature: the experimenter questions and forces her to reveal herself.
Georges Cuvier
24.
People of great ability do not emerge, as a rule, from the happiest background. So far as my own observation goes, I would conclude that ability, although hereditary, is improved by an early measure of adversity and improved again by a later measure of success.
C. Northcote Parkinson
25.
A lot of my writing is basically about observation, and things that I've seen, either through personal experiences or the experiences of people around me, or society at large.
John Trudell
26.
It has been my observation that parents kill more dreams than anybody.
Spike Lee
28.
Correct observation followed by meticulous deduction and the precise visualization of goals is vital to the success of any enterprise.
Terry Pratchett
29.
Photography is the power of observation, not the application of technology.
Ken Rockwell
31.
I'm really more prolific than most stand-ups. My act changes. I do fold in new experiences, new observations, whatever you want to call it.
Paula Poundstone
32.
Do you want me to apologize after every joke? If it doesn't offend somebody it's probably not a joke. It's probably an observation that's not funny. It's gotta offend somebody somewhere.
Jeff Ross
33.
They who depend upon manifest observations will philosophize better than those who persist in opinions repugnant to the senses.
Galileo Galilei
34.
It is just observation that the people commonly intend the Public Good.
Alexander Hamilton
35.
When you make an observation, you have an obligation.
M. K. Asante
36.
It is my observations, though, that happiness limits the amount of suffering one is willing to inflict upon others
Jacqueline Carey
37.
Accuracy of observation is the equivalent of accuracy of thinking.
Wallace Stevens
38.
The observation of others is coloured by our inability to observe ourselves impartially. We can never be impartial about anything until we can be impartial about our own organism.
Alfred Richard Orage
40.
Direct observation of the luminous essence of nature is for me indispensable
Robert Delaunay
41.
The observation of nature is part of an artist's life.
Henry Moore
42.
She wrote to him fairly regularly, from a paradise of triple exclamation points and inaccurate observations.
J. D. Salinger
43.
It is what you choose not to observe in your life that controls your life.
Lynn Andrews
44.
Observation - activity of both eyes and ears.
Horace Mann
45.
I have learned the truth of the observation that the more one approaches great men the more one finds that they are men.
Bernard Baruch
46.
If you try to observe the precepts, that is not true observation of precepts. When you observe the precepts without trying to observe the precepts, that is true observation of the precepts.
Shunryu Suzuki
47.
To find out what happens to a system when you interfere with it you have to interfere with it (not just passively observe it).
George E. P. Box
48.
There's certainly nothing original about the observation that conscious experience poses a hard problem.
David Chalmers
49.
Allow me to congratulate you on your very astute powers of observation.
Kate DiCamillo
50.
Wrong hypotheses, rightly worked from, have produced more useful results than unguided observations.
Augustus De Morgan