Choose well. Your choice is brief, and yet endless.

Desire is the presentiment of our inner abilities, and the forerunner of our ultimate accomplishments.

I hate all bungling as I do sin, but particularly bungling in politics, which leads to the misery and ruin of many thousands and millions of people.

Mathematics has the completely false reputation of yielding infallible conclusions. Its infallibility is nothing but identity. Two times two is not four, but it is just two times two, and that is what we call four for short. But four is nothing new at all. And thus it goes on and on in its conclusions, except that in the higher formulas the identity fades out of sight.

And I have again observed, my dear friend, in this trifling affair, that misunderstandings and neglect occasion more mischief in the world than even malice and wickedness. At all events, the two latter are of less frequent occurrence.

Only by joy and sorrow does a person know anything about themselves and their destiny. They learn what to do and what to avoid.

You can’t, if you can’t feel it, if it never Rises from the soul, and sways The heart of every single hearer, With deepest power, in simple ways. You’ll sit forever, gluing things together, Cooking up a stew from other’s scraps, Blowing on a miserable fire, Made from your heap of dying ash. Let apes and children praise your art, If their admiration’s to your taste, But you’ll never speak from heart to heart, Unless it rises up from your heart’s space.