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.

每个数学问题都有解决方案，但并非每个解决方案都显而易见。

And when his audience grew bored, he would spring into the air and do a back flip with a half twist.

Language is a process of free creation; its laws and principles are fixed, but the manner in which the principles of generation are used is free and infinitely varied.

Change your thoughts and you change your world.