小人反复无常，不可深交。  

The dairy industry is related to national health. We must hold ourselves to the highest standards.

The purpose of literature is to disturb the comfortable and comfort the disturbed.

To be brave is to love someone unconditionally, without expecting anything in return.

有福之人遭到不幸只是损失钱财，无福之人遭遇不幸则会伤及性命。

The function of leadership is to produce more leaders, not more followers.

The task of diplomacy is to extend the time for decision.

Art is the lie that enables us to realize the truth.

The value of a mental process lies in its utility for the organism's adjustment to life.