1、To be both a speaker of words and a doer of deeds.既當演說家，又做實干家。

2、Bad times make a good man.艱難困苦出能人。

3、Doubt is the key to knowledge.懷疑是知識的鑰匙。

4、The greatest test of courage on earth is to bear defeat without losing heart.世界上對勇氣的考驗是忍受失敗而不喪失信心。

5、A man's best friends are his ten fingers.人的朋友是自己的十個手指。