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

I write to understand the world, and to understand myself.

If you don't fail at least 90 percent of the time, you're not aiming high enough.

"Die Wahrheit ist oft unsichtbar, weil sie zu offensichtlich ist."

Innovation is not just about technology, but also about management and business models.

成功的道路總是在建設中。