When you fail, you learn. When you succeed, you learn even more.

The idea of a margin of safety, a Graham precept, will never be obsolete. The idea of making the market your servant will never be obsolete. The idea of being objective and dispassionate will never be obsolete.

Sustainability isn't an option—it's our responsibility to future generations.

我们必须拥抱变化，挑战自己以不同的方式思考。