If winter comes, can spring be far behind? P. B. Shelley, British poet 冬天来了，春天还会远吗？英国诗人雪莱，P.B.

If you doubt yourself, then indeed you stand on shaky ground. Ibsen, Norwegian dramati

如果你不怀疑自己，那么你的立足点确实不稳固了 挪威剧作家易卜生

If you would go up high, then use your own legs! Do not let yourselves carried aloft; do not seat yourselves on other people's backs and heads. F. W. Nietzsche, German Philosopher

如果你想走到高处，就要使用自己的两条腿！不要让别人把你抬到高处；不要坐在别人的背上和头上。

If you would hit the mark, you must aim a little above it. Every arrow that flies feels the attraction of earth. Longfillow, America poet

要想射中靶，必须瞄准比靶略为高些，因为脱弦之箭都受到地心引力的影响。英国诗人朗费罗

Imagination is not to be divorced from the facts: it is a way of illu-minating the facts. Alfred North Whitehead, British phillsopher and mathematician

想象不是空穴来风，不能脱离实际情况的一种方式。英国哲学家、数学家怀特海. A. N.

It enables men to construct an intellectual vision of a new world, and it preserves the zest of life by the suggestion of satisfying purpose. Alfred North Whitehead, British philosopher and mathematician 　

想象能使人理智地观察一个新世界，想象可以通过暗示令人满意的目标来使人保持对生活的热情。英国哲学家。数学家怀特海. A. N.

It is at our mother's knee that we acquire our noblest and truest and highest ideals, but there is seldom any money in them. Mark Twain. American writer

就是在我们母亲的膝上，我们获得了我们的最高尚、最真诚和最远大的理想，但是里面很少有任何金钱。马克?吐温

It is great to be great, but it is greater to be human. W. Rogers, American humorist

成为伟人是美好的，做一个真正的人更美好。美国幽默家罗杰斯.W.

Living without an aim is like sailing without a compass. Alexandre Dumas(Davy de La Pailleterie).French writer

生活没有目标就像航海没有指南针。 法国作家大仲马.A.