1.
As soon as you concern yourself with the "good" and "bad" of your fellows, you create an opening in your heart for maliciousness to enter. Testing, competing with, and criticizing others weakens and defeats you.
Morihei Ueshiba
2.
I'm not going to recommend recklessness but somewhere just short of it - testing yourself and proactively pursuing a rite of passage has become necessary because in western developed countries we've become very comfort-addicted.
Sean Penn
3.
Never stop testing, and your advertising will never stop improving.
David Ogilvy
4.
To me, to live is to fight. It's about persevering. It's about testing yourself. It's about not becoming complacent.
Rashad Evans
5.
Love testing yourself more than fearing loosing
Ron Clarke
6.
Testing leads to failure, and failure leads to understanding
Burt Rutan
7.
To the extent that you can find ways where you're making predictions, there's no substitute for testing yourself on real-world situations that you don't know the answer to in advance.
Nate Silver
8.
I love performing ! It's true that you're only as good as your last show. You have to keep testing yourself and keep that lump in your throat before you go on.
Delbert McClinton