道是神奇非凡的存在，灵妙而有本性，虚无而没有形象，无法预测其来去，也无法追寻其踪迹，不知其所以然而自然如此。

The man who speaks to you of sacrifice, speaks of slaves and masters. And intends to be the master.

The future of dairy lies in balancing tradition with innovation.

量入为出，储蓄投资。学习你需要学习的东西。

Symmetry is a complexity-reducing concept (co-routines include subroutines); seek it everywhere.

正向强化的实施方式比其数量更重要。