Grab it
Examples
Grab it while you can - grab every scrap of happiness while you can.
When you have a dream, you've got to grab it and never let go.
Sometimes opportunities float right past your nose. Work hard, apply yourself, and be ready. When an opportunity comes you can grab it.
Life is too short, Harry. And there's nowhere near enough joy in it. If you find it, grab it. Before it's gone.
But whatever you wish to keep, You better grab it fast.
Opportunity only knocks once: Grab it or you'll lose it.