The great enemy of ...

The great enemy of achievement is a schedule already full.
The great enemy of achievement is a schedule already full.

More phrases

Being self-made is a state of mind, and once you put that mentality to work, your success will come.
 Dave East
A lot of people change for good. Some people just fall off. Just trying to progress in anything, no matter what you're doing, I feel like any progression you make... some people aren't gonna be around you that were around you.
 Dave East
We are in a survival mentality, and that's hard-wired into our humanity, because we are the winners of an evolutionary struggle of millions and millions and millions of years.
 John Shelby Spong
I've always had the mentality of: work hard, get to bed early, focus - and let your work speak for itself.
 Olivia Palermo
If a warrior is to succeed at anything, the success must come gently, with a great deal of effort but with no stress or obsession.

Quotes from the same author

What is a mom but the sunshine of our days and the north star of our nights.
Mom - the person most likely to write an autobiography and never mention herself.
One of the great logical puzzles is how a woman is always like her mother but never like her sister.
U.S. Internal Revenue Service: an agency modeled after the revenue raising concepts of the 19th century economist, Jesse James.
The lesson of Good Friday is to never lose hope — or at least give it 48 hours.