The past is a shadow that follows us, always present, always influencing.
如果你是戰(zhàn)士，別為你自己的自由而戰(zhàn)，而要為你戰(zhàn)友的自由而戰(zhàn)。這樣，戰(zhàn)爭(zhēng)對(duì)你倆來說，就會(huì)更加鼓舞人心。
The true test of a mathematical idea is its ability to inspire further questions.