We don’t inherit the earth from our ancestors; we borrow it from our children.
诗人是一个睁着眼睛做梦的梦想家,他看到的世界不是它现在的样子,而是它可能成为的样子。
A mathematician is a maker of patterns, like a painter or a poet.
"You don't forget the face of the person who was your last hope."