Many a man who is willing to be shot for his belief in a miracle would have doubted, had he been present at the miracle itself.

If we thought more for ourselves we would have very many more bad books and very many more good ones.

The great rule: If the little bit you have is nothing special in itself, at least find a way of saying it that is a little bit special.

A writer who wishes to be read by posterity must not be averse to putting hints which might give rise to whole books, or ideas for learned discussions, in some corner of a chapter so that one should think he can afford to throw them away by the thousand.

Sickness is mankind's greatest defect.

To do just the opposite is also a form of imitation.

We have to believe that everything has a cause, as the spider spins its web in order to catch flies. But it does this before it knows there are such things as flies.