Life without endeavor is like entering a jewel mine and coming out with empty hands.
— Japanese Proverbs

One that desires to excel should endeavor in those things that are in themselves most excellent.
Epictetus endeavor quote

No man can succeed in a line of endeavor which he does not like.
— Napoleon Hill

The way to gain a good reputation is to endeavor to be what you desire to appear.
— Socrates

Never be entirely idle; but either be reading, or writing, or praying or meditating or endeavoring something for the public good.
— Thomas a Kempis