When we try to imagine a chaos we fail. ... In its very fiber the mind is an order and refuses to build a chaos.

To render aid to the worthless is sheer waste. Rain does not freshen the Dead Sea, but only enables it to dissolve more salt.

Evolution pays and that is why there is evolution

Nature is full of by-ends. A moth feeds on a petal, in a moment the pollen caught on its breast will be wedding this blossom to another in the next county.

Truth is better disengaged from error than torn from it.

No gun is perfectly true. So the marksman, that he may hit the bull's-eye, points elsewhere.

When a learner, in the fullness of his powers, comes to great truths unstaled by premature familiarity, he rejoices in the lateness of his lessons.