了解自己的黑暗是应对他人黑暗的最佳方法。

The best performance improvement is the transition from the nonworking state to the working state.

All the effects of nature are only the mathematical consequences of a small number of immutable laws.

让孩子留在家里的最好方法是让家庭氛围愉快——并且把轮胎的气放掉。