我不想变得完美，但我确实想成为一个榜样。

Success in this industry requires both vision and execution.

Every breakthrough in laser technology brings us closer to solving mysteries that have puzzled scientists for decades.

"You can't always be happy, but you can always be brave."

在代数中，两个量的相等性通过方程来表达。

The first fruit of this imagination - and the first lesson of the social science that embodies it - is the idea that the individual can understand his own experience and gauge his own fate only by locating himself within his period, that he can know his own chances in life only by becoming aware of those of all individuals in his circumstances.