Rest on your skills?
Solution 1:
Rest on something is a phrasal verb and its figurative meaning is:
To rely, depend, or be contingent on someone or something.
- You can't just rest upon the success of your first novel to remain relevant with readers, you have to always be striving for bigger and better things.
Similarly, you could say that one shouldn’t rest on the skills they have learned so far but they must constantly improve their capabilities.
(The Free Dictionary)