Haste has no blessing.

Swahili saying

In wickedness of pride is lost the light to understand how little grace is earned and how much given.

Robert Hunter

There are a thousand ways to kneel and kiss the earth.

Rumi

It is better to live one day as a lion, than a thousand days as a lamb.

Roman proverb

Never leave that till tomorrow which you can do today.

Benjamin Franklin

He who hesitates is lost.

English Proverb