Optimism is a learned skill. Once you learn it, you can improve your life in every way.
 On the path to truth, only the brave can persist to the end.
可持续发展需要在创新和风险控制之间找到平衡。
The writer's secret is not inspiration—for it is never clear where it comes from—but stubbornness, endurance.
"Identity is a story we tell ourselves, and sometimes we have to rewrite it."
“智慧的真正标志不是知识,而是想象力。”