One by one is the part worth underlining. It's also the part that gets skipped, because aspiring to great things is enjoyable and doing item three of forty is not.
The list doesn't care how inspired you feel. It only moves when something gets crossed off, and the crossing-off is always smaller and duller than the aspiration that produced it.
Take the next one. Not the most exciting one — the next one. Great things get assembled out of a lot of unremarkable Wednesdays.