人生中唯一真正的失败是不忠于自己所知道的最好的东西。
The only real failure in life is not to be true to the best one knows.
Chainsaws don't destroy forests—short-term thinking does.
Today is cruel, tomorrow is crueler, and the day after tomorrow is beautiful, but most people will die tomorrow night.
What man actually needs is not a tensionless state but rather the striving and struggling for some goal worthy of him.
Competition is a good thing, it forces you to keep improving.