遥远的姑射山上，有神人居住。肌肤像冰雪白皙，姿态柔美如同处女，不食人间五谷，呼吸清风，饮用甘露，乘着云气，驾驭飞龙，遨游在四海之外。
The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.
The joy of mathematics comes from the struggle to understand.
All the effects of nature are only the mathematical consequences of a small number of immutable laws.
译文：矮板凳坐着，才能学业有进，美好的光阴不要错过。赏析：要想获得知识，学有所成，我们必须要能忍受读书学习的寂寞和孤独。读书学习绝非一日之功，需要日积月累，需要持之以恒。
一个人学得越多，就越能看到还有多少东西需要学习。