以下是从孔子的众多语录中挑选出的二十条警句，并附上中文和英文翻译：

学而时习之，不亦说乎？中文：学习后及时复习，不是很愉快吗？英文：Isn't it pleasant to learn and timely review what has been learned?

知之为知之，不知为不知，是知也。中文：知道就是知道，不知道就是不知道，这才是真正的智慧。英文：To know what you know and to know what you don't know, that is true wisdom.

温故而知新，可以为师矣。中文：通过温习旧知识，能够领悟新知识，这样的人就可以做老师了。英文：By reviewing the old, one can understand the new; such a person is qualified to be a teacher.

三人行，必有我师焉。中文：三人同行，其中必定有我的老师。英文：Among any three people walking together, there must be one who can teach me something.

吾日三省吾身：为人谋而不忠乎？与朋友交而不信乎？传不习乎？中文：我每天多次反省自己：为别人办事是否尽心尽力？与朋友交往是否以诚相待？对老师传授的学业是否已经温习？英文：I reflect on myself several times a day: Have I been loyal in my dealings with others? Have I been trustworthy in my friendships? Have I reviewed what I have learned from my teachers?

敏而好学，不耻下问。中文：天资聪明而又好学的人，不以向地位比自己低、学识比自己差的人请教为耻。英文：The wise and diligent learner is not ashamed to ask questions even from those who are socially or intellectually beneath him.

默而识之，学而不厌，诲人不倦。中文：默默记住所见所闻，努力学习从不满足，教导别人而不知疲倦。英文：Silently memorize what you have seen and heard, never tire of learning, and never weary of instructing others.

学而不思则罔，思而不学则殆。中文：只学习不思考就会迷惘，只思考不学习就会精神疲倦而无所得。英文：Learning without reflection leads to confusion; reflection without learning leads to exhaustion and no gain.

知之者不如好之者，好之者不如乐之者。中文：对于知识或者技能，仅仅知道它不如真正喜欢它，真正喜欢它不如以它为乐。英文：To merely know something is not as good as truly liking it, and to truly like it is not as good as finding joy in it.

君子坦荡荡，小人长戚戚。中文：君子心胸开阔，小人经常忧愁。英文：The virtuous man is open and frank; the petty man is constantly anxious and worried.

志士仁人，无求生以害仁，有杀身以成仁。中文：真正的志士仁人，不会因为贪生怕死而损害仁德，而是勇于牺牲生命来维护仁德。英文：The righteous and benevolent person will not seek to preserve his life at the expense of virtue; he is willing to sacrifice his life to uphold virtue.

子在川上曰：“逝者如斯夫！不舍昼夜。”中文：孔子站在河边说：“消逝的时光就像这河水一样啊！日夜不停地流去。”英文：Confucius stood by the river and said, "The passing of time is just like this river, flowing ceaselessly day and night."

不患人之不己知，患不知人也。中文：不要担心别人不了解自己，应该担心的是自己不了解别人。英文：Do not worry about others not understanding you; worry about not understanding others.

君子喻于义，小人喻于利。中文：君子看重的是道义，小人看重的是利益。英文：The virtuous man understands righteousness; the petty man understands profit.

德不孤，必有邻。中文：有道德的人是不会孤单的，一定会有志同道合的人来和他相伴。英文：Virtue is not alone; it always has companions.

发愤忘食，乐以忘忧，不知老之将至。中文：发愤用功，连吃饭都忘了，快乐得把一切忧虑都忘了，连自己快要老了都不知道。英文：When striving diligently, one forgets to eat; when joyful, one forgets all worries, even forgetting that old age is approaching.

以约失之者鲜矣。中文：因为约束自己而犯错误的人是很少的。英文：Those who err because they restrain themselves are few.

恭而无礼则劳，慎而无礼则葸，勇而无礼则乱，直而无礼则绞。中文：恭敬而不符合礼就会烦扰不安，谨慎而不符合礼就会畏缩拘谨，勇敢而不符合礼就会违法作乱，直率而不符合礼就会尖刻伤人。英文：If one is respectful but lacks propriety, he will be troubled; if one is cautious but lacks propriety, he will be timid; if one is brave but lacks propriety, he will cause chaos; if one is straightforward but lacks propriety, he will be harsh and hurtful.

不迁怒，不贰过。中文：不把自己的怒气迁移到别人的身上，不重复犯同样的过错。英文：Do not transfer your anger to others, and do not repeat the same mistake.

出门如见大宾，使民如承大祭。中文：出门办事如同去接待贵宾，使唤百姓如同去进行重大的祭祀。英文：When going out to handle affairs, one should behave as if receiving an honored guest; when using the people, one should act as if conducting a grand sacrifice.

以上内容仅供参考。