You cannot explore the depths of the soul, even if you travel every road.

最初看似导致怀疑的原则，经过一定程度的追求，会使人回归常识。

The iron rule of nature is: You get what you reward for.If you want ants to come, you put sugar on the floor.

One of my primary objects is to form the tools so the tools themselves shall fashion the work and give to every part its just proportion.

数学的快乐来自于复杂事物变得简单的清晰时刻。