常反省自身,少议论他人,是最高级的修养。  
Innovation requires both fundamental research and practical application.
Sustainability isn't a trend—it's the future of food production.
The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as in poetry.
The woodcutter's axe begged for its handle from tree,the tree gave it.
比较是幸福的最大杀手。如果一定要比较,就拿昨天的自己作为比较对象。