"There comes a point when you know you have take meditation seriously," Ken McLeod says in his discussion of verse 33 of The 37 Practices of a Bodhisattva. He hits us not long after with, "If you had 1 minute left in your life, how would you spend it?" Then he invites us to really stop for a moment and consider that very prospect, providing appropriate background sound effects: tick, tick, tick...
If we're wondering, what with our ambitions, whether we've got the time to practice, practice itself will take care of that:
All efforts to gain recognition and attention are undermined by your efforts to be awake and present in your life. They are mere compensations for a fear of death, unmet emotional needs, or the desire to be someone.