改變行為的唯一方法是通過操縱強(qiáng)化偶然性。
The only way to change behavior is through manipulation of reinforcement contingencies.
真正成功的唯一方法是為他人創(chuàng)造價(jià)值。
他試圖稱量自己的靈魂，看看它是否是詩人的靈魂。
詩歌不是奢侈品，而是必需品。
Every tree planted today is a legacy for future generations.
The life of the law has not been logic; it has been experience.