The art of simplicity is a puzzle of complexity.
梦想的意义在于不断追求。
Three things are necessary for the salvation of man: to know what he ought to believe； to know what he ought to desire； and to know what he ought to do.
"Words have the power to heal and to destroy."
追求数学知识是一段永无止境的旅程，充满了无尽的好奇和惊奇。