Don't count your chickens before they are hatched.
卵がかえる前にひよこの数を数えるな。
You could count to ten when you were two years old.
君は二歳のときに10まで数えることができた。
Count your blessings, not your flaws.
不足しているものを数えるな、恵まれたものを数えてみよう。
He can't count.
彼は数を数えることができない。
Don't count your chickens before they are hatched.
ひよこがかえらぬうちにその数を数えるな。
People who count their chickens before they are hatched act very wisely because chickens run about so absurdly that it's impossible to count them accurately.