When eating an elephant take one bite at a time.
Problems often look overwhelming at first. The secret is to break problems into small, manageable chunks. If you deal with those, you're done before you know it.
Every day is new. It's just a new day. I look at six hours at a time.
Approximating involves making a series of educated guesses systematically by partitioning the problem into manageable chunks, identifying assumptions, and then using your general knowledge of the world to fill in the blanks.
The chief art of learning is to attempt but a little at a time.
I will like to take one match at a time.
I'm just taking one match at a time.