I know how many days in which I have just answered e-mail, had three phone calls and a two hour lunch. Poof, gone. They are not infrequent.
“At the Day of Judgment, we shall not be asked what we have read, but what we have done.”
“When you're a carpenter making a beautiful chest of drawers, you're not going to use a piece of plywood on the back, even though it faces the wall and nobody will ever see it. You'll know it's there, so you're going to use a beautiful piece of wood on the back.”