The door to happiness opens outward.

Everyone looks the same to me in a photograph: stupid.

To be a teacher does not mean simply to affirm that such a thing is so, or to deliver a lecture, etc.

Don't you know that a midnight hour comes when everyone has to take off his mask? Do you think life always lets itself be trifled with? Do you think you can sneak off a little before midnight to escape this?

Only the noble of heart are called to difficulty.

There are, as is known, insects that die in the moment of fertilization. So it is with all joy: life's highest, most splendid moment of enjoyment is accompanied by death.

...the reason for [this age's] anxiety and unrest is because in one direction, 'truth' increases in scope and quantity - via science and technology - while in the other, certainty and confidence steadily decline. Our age is a master in developing truths while being wholly indifferent to certitude. It lacks confidence in the good.