Embryology furnishes, also, the best measure of true affinities existing between animals.

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?

Study nature not books

The study of Nature is intercourse with the Highest Mind.

I cannot afford to waste my time making money

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.

Nature brings us back to absolute truth whenever we wander.

Facts are stupid until brought into connection with some general law.

Every great 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.

It is the job of prophets and scientists alike to proclaim the glories of God.

I sometimes hear preachers speak of the sad condition of men who live without God in the world, but a scientist who lives without God in the world seems to me worse off than ordinary men.

Every tomorrow is an outcome of what I do today, and the beauty of it all is that today is happening all the time.

Why are you so determined to keep your wild silently inside you? Let it breathe. Give it a voice. Let it roll out of you on the wide open waves. Set it free

Work is the only thing I do to escape the corruption of praise.

Few are made for independence, it is the privilege of the strong.

Opposition is dangerous to immortality.

Control is the source of strategic power.

When I go to the beach, even the tide won't come in.

God uses everything for good in our lives.

Have courage and a little willingness to venture and be defeated.

My politics were those of prophylaxis, my opponents preferred those of palliation.