The metals we pull from the ground should build bridges between people, not walls.

Your life changes the moment you make a new, congruent, and committed decision.

解读：靠炫耀、攀比获得的虚荣感，依赖外界认可，根基不稳，一旦外界夸赞消失，内心只剩空虚失落，劝诫远离虚荣，追求真实价值。

A man knows when he is growing old because he begins to look like his father.

The theory of Communism may be summed up in one sentence: Abolish all private property.