You have to write the book that wants to be written. And if the book will be too difficult for grown-ups, then you write it for children.
君子重视自身的努力,而不羡慕上天的恩赐;小人放弃自身的努力,而羡慕上天的恩赐。
真正的自由是内心的自由。
我们的智慧来自于我们的经验,而我们的经验来自于我们的愚蠢。