“What worked yesterday doesn't always work today.”
“Today is what you have and the only thing you can work with. Yesterday is gone and tomorrow isn't here yet.”
“The world is 3 days: As for yesterday, it has vanished along with all that was in it. As for tomorrow, you may never see it. As for today, it is yours, so work on it.”
“To feel today what one felt yesterday isn't to feel - it's to remember today what was felt yesterday, to be today's living corpse of what yesterday was lived and lost.”
“Success is often followed by failure. Yesterday's victory doesn't win today's battle.”
“There will be today, there will be tomorrow, there will be always, and there was yesterday, and there was the day before...”