量力而行
Meanings
1. to assess one's capabilities and act accordingly (idiom); to act within one's competence
2. One does what one can.
Characters used
Examples4
不能
One can't go beyond one's limits with exercising and stay within the bounds of what one can do. Otherwise, it can have negative effects on the body.
量力而行。
Pace yourself.
买房
One needs to buy a house that's within one's means, but one also needs to grasp an opportunity.
凡事
One needs to do their best in all things, and more importantly work within their abilities.