The most profound discoveries in mathematics often come from the simplest observations.
写文章必须溯源经典,并参考诸子史书,这样才能自成一家而不因袭前人。
释义:船装载过重就会沉没,人欲望太强就会损害生命。劝诫人要节制自己的欲望。
The biggest matches are won in the mind before they're won on the court.