Failing to plan is planning to fail.
Proverb Quotes
It’s an ill plan that cannot be changed.
Bad planning on your part does not constitute an emergency on my part.
Look before you leap.
There’s many a slip twixt cup and lip.
First catch your hare, then cook it.
A good plan today is better than a perfect plan tomorrow.
A stitch in time saves nine.
Sometimes I go about pitying myself, and all along my soul is being blown by great winds across the sky.
He who would have others pity him must pity others.