make hay while the sun shines

You've got a week off — make hay while the sun shines!

The tourist season is short here, so we make hay while the sun shines.

She invested heavily during the boom — make hay while the sun shines.

I'll finish as much work as possible now — make hay while the sun shines, right?

With the kids out of the house, we should make hay while the sun shines and repaint.

My grandfather always said make hay while the sun shines — don't waste good opportunities.