Failure gave me an inner security that I had never attained by passing examinations. Failure taught me things about myself that I could have learned no other way. I discovered that I had a strong will, and more discipline than I had suspected; I also found out that I had friends whose value was truly above the price of rubies.

The best way to predict the future is to create it.

在没有生命力的帮助下合成尿素是一个极其重要的事实。