The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

数学的力量在于它的普遍性和超越文化界限的能力。

Find your enemy, you will be safely!

用媚字奉养亲人父母，用平淡之心交朋友，用苟字节俭花费，用朴拙免去劳力，用聋字消除诽谤，用盲字远离美色，用吝字防止言说过多，用病字医治婬欲，用贪字读书，用傲字树立风骨，用痴字救济贫困，用空字解脱忧烦，用弱字抵御侮蔑，以悔字改正错误，以懒字控制奔走竞争，以惰字隔除凡人俗事。

The past is not behind us; it is within us.

The future of food depends on our ability to balance productivity with responsibility.

"A literatura é a arte de expressar a alma através das palavras."