The course of human life is not determined by drives or environment alone, but by creative self-direction as well.
乐观主义者倾向于将他们的麻烦解释为暂时的、可控的和特定于一种情况的。另一方面,悲观主义者认为他们的麻烦会永远存在,破坏他们所做的一切,并且无法控制。
The stream of thought is the stream of life solving its problems.
改变的秘诀是集中你的所有能力,不是摧毁旧的,而是建造新的。
The beauty of the genetic code lies in its universality; it is shared by all known forms of life.