1、natural abilities are like natural plants ，that need pruning by study, and studies themselves do give forth directions too much at large ，except they be bounded in by experience．(bacon ，of studies ，essays)
天生的能力好像天然生成的植物，必须通过学习加以修整；然而学习本身如若不由实践去约束，必然方向纷杂而漫无目的。——培根：《随笔·论学习》
2、as many languages as he has ，as many friends， as many arts and trades ，so many times is he a man．(emerson ，culture，the conduct of life)
竭尽全力掌握各种语言，结交各式朋友，精通各类技艺及行业，如此努力方能成为一个完整的人。——爱默生：《处世之道·论文化》
3、in a world as empirical as ours ，a youngster who does not know what he is good at will not be sure what he is good for．(edgar friedenberg ，the vanishing adolescent)
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