Nature takes no account of even the most reasonable of human excuses.

To be reminded that one is very much like other members of the animal kingdom is often funny...though...I do not too much mind being somewhat like a cat.

How anyone can profess to find animal life interesting and yet take delight in reducing the wonder of any animal to a bloody mass of fur or feathers?

If only the fit survive and if the fitter they are the longer they survive, then Volvox must have demonstrated its superb fitness more conclusively than any higher animal ever has.

Man is the only one in whom the instinct of life falters long enough to enable it to ask the question "Why?

When a man wantonly destroys one of the works of man we call him a vandal. When he destroys one of the works of god we call him a sportsman.

A book ... unlike a television program, moving picture or any other 'modern means of communication' ... can wait for years, yet be available at any moment when it happens to be needed.