The architect must be a master of light and shadow.

Fear is inevitable, I have to accept that, but I cannot allow it to paralyze me.

I’m a fighter. I believe in the power of positivity and hard work.

"Parental investment is the key to understanding the origins of sex differences."

说话是一种冒险，但沉默是更大的冒险。

The human being is essentially self-determining; he becomes what he wills himself to be.