The more perfect the artist, the more completely separate in him will be the man who suffers and the mind which creates.
Success is not final, failure is not fatal: it is the courage to continue that counts.
自守表示的研究是数学抽象之美的反映。
Twenty years of romance make a woman look like a ruin; but twenty years of marriage make her look like a public building.
I have come to believe that a great teacher is a great artist and that there are as few as there are any other great artists. Teaching might even be the greatest of the arts since the medium is the human mind and spirit.
