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

In the ocean of science, everyone is a student, there is always something new to learn.

Writing is a way of survival.

The most important thing is to find the right form for the right content.

It's not worth doing something unless someone, somewhere, would much rather you weren't doing it.

The only way to do great work is to love what you do.