學習貴在專一，不以涉獵廣泛為能。
The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when it be obeyed.
La memoria es el único paraíso del cual no podemos ser expulsados.
人們并不愚蠢，只是世界很復雜。
【釋義】：積累千萬財富，不如掌握一門技藝。 ?
"To write is to rewrite."
The only thing that is truly yours is your dreams.
朗蘭茲綱領的猜想是對下一代數學家的挑戰(zhàn)。