使用程序证明四色定理不会改变数学-它只是表明该定理是一个世纪的挑战,对数学可能并不重要。
医学伦理是不可妥协的——偷工减料会付出生命的代价。
过度捕捞就像透支信用卡,终将付出沉重的代价。
Quality is never an accident; it is always the result of intelligent effort.
没有现实的恐惧,文字便无法打动人心。
Wasn't writing a kind of soaring, an achievable form of flight, of fancy, of the imagination?
Growth itself contains the germ of happiness.