Psychological understanding comes from seeing mind in action.
白天从妻子儿女的反应来省察自己的行为以看其是否诚信;夜晚由梦境情况来考验自己的志气,以知道其是否坚定。
Commit to your business. Believe in it more than anybody else.
普鲁士是从加农炮炮弹里孵出来的。