Words are, of course, the most powerful drug used by mankind.

The beauty of mathematics is that it is eternal, it doesn't change.

My parents are my backbone. Still are. They’re the only group that will support you if you score zero or you score 40.

Our wisdom comes from our experience， and our experience comes from our foolishness.

追求伟大。

幽默是与孩子建立联系的最佳方式。