Study nature, not books
Facts are stupid until brought into connection with some general law.
Every scientific truth goes through three states: first, people say it conflicts with the Bible; next, they say it has been discovered before lastly, they say they always believed it.
I have no time to make money, I am searching for the truth
The time has come when scientific truth must cease to be the property of the few, when it must be woven into the common life of the world.
The world has arisen in some way or another. How it originated is the great question, and Darwin's theory, like all other attempts to explain the origin of life, is thus far merely conjectural. I believe he has not even made the best conjecture possible in the present state of our knowledge.
I cannot afford to waste my time making money.
The study of Nature is intercourse with the Highest Mind. You should never trifle with Nature.
The eye of the trilobite tells us that the sun shone on the old beach where he lived; for there is nothing in nature without a purpose, and when so complicated an organ was made to receive light, there must have been light to enter it.
The glacier was God's great plough set at work ages ago to grind, furrow, and knead over, as it were, the surface of the earth.
The facts will eventually test all our theories, and they form, after all, the only impartial jury to which we can appeal.