Be as you wish to seem.
In my country we go to prison first and then become President.
The mind is a biological achievement of the highest order.
Focus on progress, not perfection.
The key to solving global hunger is not just increasing yield, but improving nutritional quality.
The greatest happiness for the laborer consists in having an abundant supply of the necessaries of life.
没有艺术;没有文学;没有社会;最糟糕的是,持续不断的恐惧和暴力死亡的威胁;人的生活孤独、贫困、肮脏、野蛮而短暂。