Look not mournfully into the past. It comes not back again. Wisely improve the present. It is thine. Go forth to meet the shadowy future, without fear.
Knowledge is an unending adventure at the edge of uncertainty.
The theory of evolution is outstandingly the most important theory in biology.
Imagine a world without Darwin. Imagine a world in which Charles Darwin and Alfred Russel Wallace had not transformed our understanding of living things. What… would become baffling and puzzling…, in urgent need of explanation? The answer is: practically everything about living things….
If I have seen further it is by standing on the shoulders of Giants
The most wonderful discovery made by scientists is science itself.
Ignorance more frequently begets confidence than does knowledge: it is those who know little, not those who know much, who so positively assert that this or that problem will never be solved by science.
The forceps of our minds are clumsy forceps, and crush the truth a little in taking hold of it.