Love is a teacher, but one must know how to acquire it, for it is difficult to acquire, it is dearly bought, by long work over a long time, for one ought to love not for a chance moment but for all time. Anyone, even a wicked man, can love by chance.

Every ant knows the formula of its ant-hill, every bee knows the formula of its beehive. They know it in their own way, not in our way. Only humankind does not know its own formula.

Wealth is the number of things one can do without.

Suppose, gentleman, that man is not stupid.

If it were considered desirable to destroy a human being, the only thing necessary would be to give his work a character of uselessness

A widow, the mother of a family, and from her heart she produces chords to which my whole being responds.

My life is ending, I know that well, but every day that is left me I feel how my earthly life is in touch with a new infinite, unknown, but approaching life, the nearness of which sets my soul quivering with rapture, my mind glowing and my heart weeping with joy.