The past explains the present - that is the fundamental premise of evolutionary psychology.

恐惧是底片被冲洗的暗房。

At the end of the day it's not about what you have or even what you've accomplished... it's about who you've lifted up, who you've made better. It's about what you've given back.

Sustainability isn't just an option; it's our responsibility to future generations.

数学的美只对那些更有耐心的追随者展现。