“The best preparation for tomorrow is doing your best today.”
Source: P.S. I Love You
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H. Jackson Brown, Jr. 54
American writer 1940Related quotes

“The best preparation for tomorrow is to do today's work superbly well.”
As quoted in Lifetime Speaker's Encyclopedia (1962) by Jacob Morton Braude, p. 575.
Source: How to Stop Worrying and Start Living

“Preparation for tomorrow is hard work today.”
“Do not let your TODAY be stolen by the ghost of yesterday or the "To-Do" list of tomorrow!”
Source: Life, the Truth, and Being Free (2010), p. 36