People with a clear sense of identity know who they are and what they stand for. They have a strong sense of self and are not easily swayed by others.

嫉妒的精神可以摧毁；它永远无法建设。

想得大，想得长远。

啊，但一个人的追求应该超越他的能力，否则天堂是为了什么呢？

A good programmer is someone who always looks both ways before crossing a one-way street.

We must bridge the gap between academic research and industrial application.

政治制度的力量在于其适应变化环境的能力。