I'm very proud to be black, but black is not all I am. That's my cultural historical background, my genetic makeup, but it's not all of who I am nor is it the basis from which I answer every question.

酸的强度由其提供质子的能力来衡量，碱的强度由其接受质子的能力来衡量。

"The artist's duty is to reveal the invisible through the visible."

I believe that happy girls are the prettiest girls.