necessity

make a virtue of necessity (formal)

to change something you must do into a positive or useful experience. It's a long way to drive so I thought I'd make a virtue of necessity and stop off at some interesting places along the way.

See also: virtue

Necessity is the mother of invention.

something that you say which means that if you want to do something very much you will think of a way to do it. We can't afford expensive paper to paint on so we use old envelopes and newspaper. They do say necessity is the mother of invention.

See also: mother