The only thing ever achieved in life without effort is failure.

— Unknown

He who labors diligently need never despair, for all things are accomplished by diligence and labor.

— Menander

Success is sweet, but its secret is sweat.

The boys of our time are too much afraid of work. They act as if the honest sweat of the brow was something to be ashame…

— Unknown

I never could have done what I have done without the habits of punctuality, order, and diligence, without the determinat…

— Charles Dickens

God gives every bird its food, but He doesn’t throw it in the nest.

— Josiah Gilbert Holland