A herbarium is better than any illustration; every botanist should make one.

If you do not know the names of things, the knowledge of them is lost, too.

It is not God, but people themselves who shorten their lives by not keeping physically fit.

In natural science the principles of truth ought to be confirmed by observation.

Nature does not proceed by leaps.

The plant kingdom covers the entire earth, offering our senses great pleasure and the delights of summer.

A professor can never better distinguish himself in his work than by encouraging a clever pupil, for the true discovers are among them, as comets amongst the stars.

Stones grow, plants grow, and live, animals grow live and feel.

Blessed be the Lord for the beauty of summer and spring, for the air, the water, the verdure, and the song of birds.

I demand of you, and of the whole world, that you show me a generic character... by which to distinguish between Man and Ape. I myself most assuredly know of none.

Nature's economy shall be the base for our own, for it is immutable, but ours is secondary. An economist without knowledge of nature is therefore like a physicist without knowledge of mathematics.

You were chasing stones forever, forgetting the diamond within you

He's not my alpha.""Oh, he's most definitely yours, " Charlie said. "He's been watching you for the last twenty minutes as if he could do very, very wicked things to you.

Whenever we have something that we are good at--something we care about--that experience and passion fundamentally change the nature of our first impressions.

We have a tried and tested system of government that in being so flexible exists as a great ghost that no one has dared to conjure into flesh.

At my time of life, one knows that the worst is usually true.

If you drive nature out with a pitchfork, she will soon find a way back.

It was the desire to do the complete thing. I only took taking acting lessons because my whole thing, really, was to direct. But my first jobs were acting jobs.

She was the kind of gal that if she set her sights on a man, he'd be running in the opposite direction real quick.

The night is black, as black as night.

The more the universe seems comprehensible, the more it also seems pointless.