爱人者,此为博焉；利人者,此为厚焉。
关爱别人,这是最为博大的；使别人受益,这是最为深厚的。
数学的本质在于它的自由。
"El tiempo que uno pasa riendo es tiempo que pasa con los dioses."
I sent my Soul through the Invisible, Some letter of that After-life to spell: And by and by my Soul return'd to me, And answer'd "I Myself am Heav'n and Hell."
我从不放弃。我从不屈服。