Anyone who loudly proclaims "I am the king" can never be a true king.

圣人不期望完全效法古代，不墨守一成不变的旧规。

Sometimes we get sad about things and we don’t like to tell other people that we are sad about them. We like to keep it a secret. Or sometimes, we are sad but we really don’t know why we are sad, so we say we aren’t sad but we really are.

The essence of mathematics lies in its freedom.

Millions saw the apple fall, but Newton asked why.

成功不是要成为最好的，而是要变得比昨天更好。