数学的美在于它是永恒的，它不会改变。
The beauty of mathematics is that it is eternal, it doesn't change.
"La literatura es una forma de resistencia, una manera de decir no al olvido."
I think the most powerful and enduring brands are built from the heart.
当老人们种下他们知道自己永远不会坐在其下的树时，社会就会变得伟大。