The true measure of our success is how well we feed the world while preserving its resources.

In mathematics, the journey of discovery is often more rewarding than the destination itself.

生命中最伟大的光辉不在于永不坠落，而在于坠落后总能再度升起。

No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.

最好的尚未到来。