用心作画,你的手自然会跟上。
Paint with your heart, and your hands will follow.
以这样奢侈的国君,去统治那些爱好奢侈的臣民,想要国家不动乱,是不可能的。 
Beware of the Turing tar-pit in which everything is possible but nothing of interest is easy.
计算机科学的挑战不仅在于创造新技术,还在于确保它们被道德和负责任地使用。