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You have to have confidence in your ability, and then be tough enough to follow through.

Every seed planted is a step toward a more sustainable future.

Nature hath made men so equal in the faculties of body and mind， as that though there be found one man sometimes manifestly stronger in body or of quicker mind than another， yet when all is reckoned together the difference between man and man is not so considerable as that one man can thereupon claim to himself any benefit to which another may not pretend as well as he.

NP完全性的概念為理解計(jì)算問(wèn)題的復(fù)雜性提供了一個(gè)強(qiáng)大的工具。

Writing is the only way I can breathe.

我相信理解市場(chǎng)心理和投資者心理是至關(guān)重要的。