The quest for certainty blocks the search for meaning. Uncertainty is the very condition to impel man to unfold his powers.

一本好书是我生命中的一个事件。

People change and forget to tell each other.

"I don't complain. I accept the challenge and I work."

不要被问题推动。被梦想引领。

Quality is never an accident; it's always the result of intelligent effort.

永远不要低估小而持续的改进的力量，随着时间的推移，它们会带来巨大的成果。