No one can keep a secret better than a child.

A day will come when there will be no battlefields, but markets opening to commerce and minds opening to ideas.

To gaze into the depths of the sea is, in the imagination, like beholding the vast unknown, and from its most terrible point of view. The submarine gulf is analogous to the realm of night and dreams. There also is sleep, unconsciousness, or at least apparent unconsciousness, of creation. There in the awful silence and darkness, the rude first forms of life, phantomlike, demoniacal, pursue their horrible instincts.

There exists, at the bottom of all abasement and misfortune, a last extreme which rebels and joins battle with the forces of law and respectability in a desperate struggle, waged partly by cunning and partly by violence, at once sick and ferocious, in which it attacks the prevailing social order with the pin-pricks of vice and the hammer-blows of crime.

Everybody has noticed the way cats stop and loiter in a half-open door. Hasn't everyone said to a cat: For heavens sake why don't you come in? With opportunity half-open in front of them, there are men who have a similar tendency to remain undecided between two solutions, at the risk of being crushed by fate abruptly closing the opportunity. The overprudent, cats as they are, and because they are cats, sometimes run more danger than the bold

What is fright by night is curiosity by day.

...Human thought has no limit. At its risk and peril, it analyzes and dissects its own fascination. We could almost say that, by a sort of splendid reaction, it fascinates nature; the mysterious world surrounding us returns what it receives; it is likely that contemplators are contemplated.