I believe in positive thinking and visualization.
我相信积极的思考和形象化。
What worries you, masters you.
书籍是通往其他文化的窗户。
"In the end, we only regret the chances we didn't take."
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.