Parental investment is the key to understanding sex differences in mating strategies.

I think the biggest thing is to just be yourself and be comfortable in your own skin.

You don’t have to be the best, but you have to be the best you can be.

Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.

痛苦是一种语言，只有经历过的人才能理解。

Art is contemplation. It is the pleasure of the mind which searches into nature and which there divines the spirit of which nature herself is animated.