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

想得大，想得長遠。

Leadership is about making tough decisions today that will benefit future generations.

Science thrives on doubt and skepticism.

Technology is nothing if it doesn't solve real problems.

Please put my hands on the outside, let the world see coffin, great as I Caesar, after death is empty hands.

The principle goal of education is to create men who are capable of doing new things, not simply repeating what other generations have done.