Light has called forth one organ to become its like, and thus the eye is formed by the light and for the light so that the inner light may emerge to meet the outer light.

Man can find no better retreat from the world than art, and man can find no stronger link with the world than art.

Hold your powers together for something good and let everything go that is for you without result and is not suited to you.

And those whom once my song had cheered and gladdened, If still they live, rove through the world now saddened.

On all the peaks lies peace.

Mathematicians are like Frenchmen: whatever you say to them they translate into their own language and forthwith it is something entirely different.

A man may twist as he pleases, and do what he pleases, but he inevitably comes back to the track to which nature has destined him.