我曾经以为世界是按部落划分的。然后我以为它是按贫富划分的。然后我以为它是按愚蠢和聪明划分的。但现在我知道它是按活着的人和死去的人划分的。
我已将这一原则——每一微小变异若有益便被保存——称为自然选择。
The mind is to be studied as an end in itself.
The best performance improvement is the transition from the nonworking state to the working state.
成人应该敬畏儿童。
战略不是预测未来，而是为未来做好准备。
The beauty of physics lies in its ability to explain the universe with a few simple principles.
The real world is the most abstract thing of all.
I don't like debt. Companies with a lot of debt are riskier.