色多多在线观看播放-色多多在线观看高清免费-色多多在线观看视频-色多多在线看-欧美aaaaa性bbbbb小妇-欧美aaaav免费大片

The more personal it is, the more universal it is.

The ocean is not just a resource; it's our responsibility to protect it for future generations.

The Langlands program is a vision of how mathematics could be understood as a whole.

The secret of change is to focus all of your energy not on fighting the old, but on building the new.

"Mental life is fundamentally adaptive."

The strength of a habit is a function of the number of times it has been reinforced.

I’ve learned to embrace my flaws, because they make me who I am.