It is never too late to learn

It is never too late to learn.

 and You are never too old to learn.

Prov. You can always learn something new. Alan: Help me make the salad dressing. Jane: But I don't know anything about making salad dressing. Alan: You are never too old to learn. Grandma decided to take a course in using computers. "It's never too late to learn," she said.

See also: late, learn, never