1、Two heads are better than one.
2、An hour in the morning is worth two in the evening.
3、If you run after two hares, you will catch neither.
同时追二兔，全都抓不住 / 必将无所获。
4、Seeing much, suffering much, and studying much, are the three pillars of learning.
5、It takes two to make a quarrel.
6、One flower does not make a spring.
7、A man at sixteen will prove a child at sixty.
8、Between two stools you fall to the ground.
9、Kill two birds with one stone.
10、All bread is not baked in one oven.
11、One enemy is too many, and a hundred friends too few.
12、One man, no man.
13、Saying and doing are two things.
14、A bride is diligent for three days.
15、To him that does everything in its proper time, one day is worth three.
16、Two wrongs do not make a right.
17、One swallow does not make a summer.
18、Four eyes see more than two.
19、One today is worth two tomorrows.
20、One careless move may lose the whole game.
21、Better master one than engage with ten.
22、A bird in the hand is worth two in the bush.
23、Never make two bites of a cherry.
24、If two parties fight, a third party will benefit; Two dogs strive for a bone, and a third runs away with it.
25、A stitch in time saves nine.
26、One strand of silk does not make a thread; one tree does not make a forest.
27、He that is not wise at twenty , nor strong at thirty , nor rich at forty ,nor wise at fifty , will never be handsome ,strong, rich or wise.