Resolve to perform what you ought; perform without fail what you resolve.

Let your conduct towards men have some uniformity.

Speak but what may benefit others or yourself; avoid trifling conversation.

Spare no effort to suppress selfishness, unless that effort would entail sorrow.

I have learned, as a rule of thumb, never to ask whether you can do something. Say, instead, that you are doing it. Then fasten your seat belt. The most remark…

A writer is unfair to himself when he is unable to be hard on himself.

There is small risk a general will be regarded with contempt by those he leads, if, whatever he may have to preach, he shows himself best able to perform.