Psychology is the science of mental life, not just the cataloging of its elements.

Government, even in its best state, is but a necessary evil; in its worst state, an intolerable one.

If you are under the impression you have already perfected yourself， you will never rise to the heights you are no doubt capable of.

忧伤可以通过良好的睡眠、沐浴和一杯葡萄酒来缓解。