How much is an hour of your time worth? It's worth whatever wage you would get if you spent that hour working. If you work for an hourly rate, this is an easy calculation. Even if you work for a salary and a fixed number of hours, the principle is the same: It's whatever your salary works out to per hour.
Before I start a project, I always ask myself the following question. Why is this book worth a year of my life? There needs to be something about the theme, the technique, or the research that makes the time spent on it worthwhile.
People want a certain amount of respect when they watch a film: it should be worth of their time.
If time is precious, no book that will not improve by repeated readings deserves to be read at all.
I don't think anyone wants a movie on time that's not worth your time.
Prove that you understand the worth of time by employing it well.
If your time is worth anything, travel by air. If not, you might just as well walk.