我是一个战士，不是一个忧虑者。

市场是一个概率游戏。

The text is a tissue of quotations drawn from the innumerable centres of culture.

I don't like to gamble, but if there's one thing I'm willing to bet on, it's myself.

In science, we must be open to the possibility that our most cherished theories could be wrong.

译文：伤害别人的心思不要有，防范别人的心思不能没有。赏析：伤害别人，最终会让自己受到伤害。人的品行和素质参差不齐，我们不能保证每个人都是谦谦君子，我们应该防范那些坏人作恶。