"There are three principal means of acquiring knowledge. . . observation of nature, reflection, and experimentation. Observation more Inspirational quotes"
"Genius is present in every age, but the men carrying it within them remain benumbed unless extraordinary events occur to heat up more Inspirational quotes"
"Our observation of nature must be diligent, our reflection profound, and our experiments exact. We rarely see these three means more Inspirational quotes"
"I write entirely to find out what I'm thinking, what I'm looking at, what I see and what it means. What I want and what I fear. more Inspirational quotes"
