If there is no struggle, there is no progress. Those who profess to favor freedom, and yet depreciate agitation, are men who want crops without plowing up the ground. They want rain without thunder and lightning.
Success is a matter of understanding and religiously practicing specific simple habits that always lead to success.
Only those who constantly retool themselves stand a chance of staying employed in the years ahead.
We learn more by looking for the answer to a question and not finding it than we do from learning the answer itself.
Make no little plans; they have no magic to stir men’s blood and probably will themselves not be realized. Make big plans; aim high in hope and work, remembering that a noble, logical diagram once recorded will not die.
It would be difficult to dispel ignorance unless there is freedom to pursue the truth unfettered by fear.
What I believe is not what I say I believe; what I believe is what I do.
這適用在日常生活如同它適用在戰場上：我們被付予一個生命而決定權是我們的 – 是要等環境替我們做決定還是要行動，且在行動中，真正活著。
This is as true in everyday life as it is in battle: We are given one life, and the decision is ours whether to wait for circumstances to make up our mind or whether to act and, in acting, to live.
It’s a funny thing about life; if you refuse to accept anything but the best, you very often get it.
Any change, even a change for the better, is always accompanied by drawbacks and discomforts.