所有卓越的事物都与它们的稀有性一样困难。
石材的真正价值在于我们如何改造它以供人类使用。
在任何科学事业中取得成功都需要非凡的能力、勤奋和精力。
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.
The big money is not in buying or selling, but in the waiting.