Success is not final, failure is not fatal: it is the courage to continue that counts.
不了解儿子就看和儿子交往的朋友,就清楚了;不了解君主就看看君主身边的人,就明白了。
如果你想飞翔,就必须放弃那些拖累你的事物。
A philosophical problem has the form: "I don't know my way about."