可能近似正确(PAC)学习的概念在计算学习理论中具有基础性意义。
The concept of probably approximately correct (PAC) learning has been foundational in computational learning theory.
The greatest enemy of a good plan is the dream of a perfect plan.
Sometimes you have to lose yourself to find yourself.
四勿:“非礼勿视,非礼勿听,非礼勿言,非礼勿动。”四端:“恻隐之心,仁之端也;羞恶之心,义之端也;辞让之心,礼之端也;是非之心,智之端也。”颜渊的“四勿”,要牢记心里;下工夫闲静存诚,克服外部的干扰以修养心性;孟子的“四端”,要尽力扩充,下工夫格物致知,由近及远,推己及人。
A writer must be willing to be misunderstood.
The world is not what it seems to be; it is what we believe it to be.
伴随着巨大的力量而来的是需要极大的谨慎。
【解释】人常常在忧患困苦中,才能磨练意志,增长才干。