Every setback is a setup for a comeback.

We do not observe the mind; the mind observes the world through us.

When we are no longer able to change a situation, we are challenged to change ourselves.

The moment of victory is much too short to live for that and nothing else.

最好的领导者是那些多听少说的人。

元素若按其原子量排列，会呈现出性质的周期性。