市场是一个永远在不可持续的乐观（使股票过于昂贵）和不合理的悲观（使股票过于便宜）之间摇摆的钟摆。聪明的投资者是现实主义者，他们向乐观主义者出售并从悲观主义者那里购买。

真正的进步发生在我们平衡经济增长与环境管理之时。

教育的真正价值不仅在于事实的积累，而在于训练思维进行批判性和创造性的思考。

"Memory is a tricky thing, it can be both a blessing and a curse."

恐惧只是一道阴影。事实上，你比自己想象的要强大得多。

The advantages found in history seem to be of three kinds， as they result either from the mere situation of the climate and country or from the form of government and of the character of the people， or from those finer principles and morals， which may be called the recommendations of philosophy.

We don't inherit the earth from our ancestors; we borrow it from our children.