我认为这个世界现在需要听到真相。

过去无法改变，但未来可以。

The value of a commodity, or the quantity of any other commodity for which it will exchange, depends on the relative quantity of labor which is necessary for its production, and not on the greater or less compensation which is paid for that labor.

不要因为放弃而哭泣，要为了继续前进而哭泣。