There is only one boss. The customer. And he can fire everybody in the company from the chairman on down, simply by spending his money somewhere else.

A man knows when he is growing old because he begins to look like his father.

To understand the arithmetic of algebraic varieties is to understand the symmetries hidden within them.

Come,my friends,Tis not too late to seek a newer world,For my purpose holds to sail beyond the sunset，And though we are not now that strength which in old days moved earth and heaven,That which we are, we are;-- One equal temper of heroic hearts, Made weak by time and fate, but strong in will. To strive, to seek, to find, and not to yield。

Never stop questioning—that’s where progress begins.

La literatura es un diálogo constante entre el autor y el lector.

我的画作的表面就像世界的皮肤。