The heart may think it knows better: the senses know that absence blots people out. We have really no absent friends.

Every improvement in the circumstances of the society tends either directly or indirectly to raise the real rent of land, to increase the real wealth of the landlord, his power of purchasing the labour, or the produce of the labour of other people.

生活是一面镜子，如果你对它微笑，它也会对你微笑。

如果你从未跌倒过，那么你也就从未努力过。

The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.

Success in business comes from understanding people, not just products.

Coal miners don't just dig in the dirt, they dig for progress.

The purpose of computing is insight, not numbers.