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"The best way to learn mathematics is to do mathematics."
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.
Curiosity drives the mathematician forward, always seeking the next question to answer.
译文:年年岁岁繁花依旧,岁岁年年看花之人却不相同。赏析:时光流逝,物是人非。花有重开时,人无再少年。
经常静坐思考,来收拢思想;减少饮酒色欲,来清理思想;摒除嗜好情欲,来修养思想;体味古人教训,来警戒思想;悟察至理名言,来明确思想。