Loving with human love, one may pass from love to hatred; but divine love cannot change. Nothing, not even death, can shatter it. It is all the very nature of the soul. Love is life. All, all that I understand, I understand only because of love. All is bound up in love alone. Love is God and dying means for me a particle of love, to go back to the universal and eternal source of love.

The most difficult subjects can be explained to the most slow- witted man if he has not formed any idea of them already; but the simplest thing cannot be made clear to the most intelligent man if he is firmly persuaded that he knows already, without a shadow of doubt, what is laid before him.

Teach French and unteach sincerity.

For man to be able to live he must either not see the infinite, or have such an explanation of the meaning of life as will connect the finite with the infinite.

The ideas of the wise have been tested by centuries. Everything medium is lost and only original, deep and useful things are left.

They ought to find out how to vaccinate for love, like smallpox.

What is important is not the quantity of your knowledge but its quality. You can know many things without knowing the most important.