When life seems hard, the courageous do not lie down and accept defeat; instead, they are all the more determined to struggle for better future.
人生像一匹马,你不驾驭它,它便驾驭你。
在数学中,提出问题的艺术必须比解决问题更有价值。
存在即是理性。
All violence is the illustration of a pathetic stereotype.