1, the most precious thing in the world is not "not getting" and "losing", but happiness that can be grasped now.

There is only one good in the world, that is knowledge, and there is only one evil, that is ignorance.

Virtue is knowledge, and ignorance is the root of evil.

4. True free love is not the love of pleasure, but the love of personality. Love is the union of two souls.

5. True love is mutual "unconditional surrender".