I see, I forget; I hear, I remember; I do, I understand.
我看到了，我忘记了；我听到了，我记住了；我做过了，我理解了。
The will is the central organizing force of mental life.
The human mind is capable of comprehending the universe because the universe has generated minds capable of comprehending it.
要我说，人性之善是不能用金钱衡量的，善即是善，钱即是钱，可不要把麦子和谷壳搞混了。