Man is not logical and his intellectual history is a record of mental reserves and compromises. He hangs on to what he can in his old beliefs even when he is compelled to surrender their logical basis.

Happiness is not having what you want, but wanting what you have.

出自北齐·颜之推《颜氏家训·勉学》。积累财富千万，也胜不过多读些书有用。古代有“书中自有黄金屋，书中自有颜如玉”的说法，读好书就能财源滚滚、美女满室。这句话意在强调读书以立世的重要意义。