唯一真正的优雅在于思想；如果你拥有它，其余的一切都源于此。
The only real elegance is in the mind; if you've got that, the rest really comes from it.
Investing in cleaner coal technologies is an investment in our future.
解释：情绪变化会影响身体生理反应，如贪心时口水增多，悲哀时流泪，体现了情绪与健康的关联。
The power of the mind is immense, and harnessing it can lead to profound changes in our lives.
If you are under the impression you have already perfected yourself， you will never rise to the heights you are no doubt capable of.
Escribir es un acto de valentía, de enfrentarse a uno mismo y al mundo.