The discovery of stars orbiting the supermassive black hole at the galactic center was a turning point in astrophysics.

Goto the edge of the cliff and jump off.Build your wings on the way down.

"The world is a text, and we are all its readers and writers."

The real problem is not whether machines think but whether men do.

I don't need a reason to be happy. I choose to be.

La verdadera patria del hombre es su infancia.

【大意】兰花生长在幽静偏僻的山谷中，并不因没有人采撷佩带而不吐出迷人的芳香；舟船在大江大海中，并不因没有人乘坐而停止了飘浮；君子做正义的事，并不因没有人知道而停止。