...you cannot eat every tadpole and frog in the pond, but you can eat the biggest and ugliest one, and that will be enough, at least for the time being.
People who take a long view of their lives and careers always seem to make much better decisions about their time and activities than people who give very little thought to the future.
If you have to eat two frogs, eat the ugliest one first." This is another way of saying that if you have two important tasks before you, start with the biggest, hardest, and most important task first.
The hardest part of any important task is getting started on it in the first place. Once you actually begin work on a valuable task, you seem to be naturally motivated to continue.
The most valuable tasks you can do each day are often the hardest and most complex. But the payoff and rewards for completing these tasks efficiently can be tremendous.
You can get your time and your life under control only to the degree to which you discontinue lower-value activities.
One of the very worst uses of time is to do something very well that need not to be done at all.