1.
Do not put forward anything that you cannot prove by experimentation.
Louis Pasteur
2.
There is no higher or lower knowledge, but one only, flowing out of experimentation.
Leonardo da Vinci
3.
Personal experimentation is revealing, and once you get into it, immensely engaging.
Robert Henri
4.
I reverted easily to my wild state, that is experimentation.
Jack Steinberger
5.
Many, many people have done a lot more sexual experimentation than I have.
Erica Jong
6.
It takes some experimentation to figure out what people like and don't like.
Andrew Mason