Count one’s blessings 知足
e.g. My mother always tells us to count our blessings; things could always be worse. 我妈总跟我说要知足。这已经挺不错了。。
e.g. Stop looking so miserable and count your blessings! At least you’ve still got a job and somewhere to live. 别看起来那么痛苦了,知足吧。至少你还有工作,有地方住。