A true leader listens more than they speak, and acts with integrity above all else.

Man is not logical and his intellectual history is a record of mental reserves and compromises. He hangs on to what he can in his old beliefs even when he is compelled to surrender their logical basis.

The reward of seeing the joy on the faces of the parents is immense.

词语就像钥匙，选对了就能打开任何一扇门。

疼痛不仅仅是一种感觉；它是一种复杂的生物反应，告诉我们某些地方出了问题。