In individuals， insanity is rare；but in groups， parties， nations， and epochs， it is the rule.

Becoming happier takes both a will and a proper way.

权力在于将人类的思想撕成碎片，然后按照你自己选择的新形状重新组合。

奢侈者常嫌不够富足，节俭者虽贫穷却有余藏；奢侈者心常常贫困，节俭者的心常常富贵。