酸和碱是互补的;没有另一个,一个就无法存在。
成长从来不是偶然的,而是各种力量共同作用的结果。
Life consists not in holding good cards,but in playing well those you hold.
翻译:乐其天然而知其命数,所以无所忧愁。
History is not the past. It is the method we have evolved of organizing our ignorance of the past.