Mathematics is not a spectator sport—you have to engage with it to appreciate its beauty.

农时：指春耕、夏耘、秋收三个时令。与其等灾荒来了再想办法补救，不如早防备灾荒，而防备灾荒最好就是抓住农时。

Life is too short to be anything but happy.

"En América Latina, la realidad siempre supera a la ficción, pero es nuestro deber intentar alcanzarla."

Strategy is about making choices, trade-offs; it's about deliberately choosing to be different.