有人说人是理性的动物。我一生都在寻找可以支持这一说法的证据。
It has been said that man is a rational animal. All my life I have been searching for evidence which could support this.
In science, as in life, the important things are rarely simple or obvious.
要善于发现市场中的机会和价值，而不是被市场情绪所左右。
译文：贫穷时即使身处繁华的闹市，都没有人关心问候，富贵时即使住在深山老林都会有亲戚登门。赏析：要想赢得别人的尊重，我们应该努力奋斗，改变自己的窘境。当我们变得强大时，身边的人自然不敢小看我们。
对民主的热爱就是对平等的热爱。
An ounce of practice is worth more than tons of preaching.