There is nothing in the world so irresistibly contagious as laughter and good humor.
我是一个喜欢在顶端的人。
每个个体改善自身状况的自然努力，当在自由和安全的情况下得以发挥时，是如此强大，以至于它不仅能够独自，不受任何协助，推动社会走向富裕和繁荣，而且能够克服往往由愚蠢的人类法律造成的百般妨碍。
The artist must be a destroyer of illusions.
The best way to learn mathematics is to do mathematics.
They throw their shadows before them who carry their lantern on their back.
Every existing situation has the potential to become more.
In preparing for battle I have always found that plans are useless， but planning is indispensable.
