1 Seize (or Take) time by the forelock. 

2 Take time by the forelock.

3 I'll take time by the forelock to study English and another foreign language at least.

4 You must take time by the forelock and do it now.

5 Don't waste a moment. Take time by the forelock and do it now.

6 She will leave for the United States soon, so if you want to ask her anything you must take time by the forelock.