Nobody made a greater mistake ...

Nobody made a greater mistake than he who did nothing because he could do only a little.
Nobody made a greater mistake than he who did nothing because he could do only a little.

More phrases

I've missed more than 9000 shots in my career. I've lost almost 300 games. 26 times, I've been trusted to take the game winning shot and missed. I've failed over and over and over again in my life. And that is why I succeed.
I am fond of pigs. Dogs look up to us. Cats look down on us. Pigs treat us as equals.
Government of the people, by the people, for the people, shall not perish from the Earth.
The ballot is stronger than the bullet.
In times of change, learners inherit the earth, while the learned find themselves beautifully equipped to deal with a world that no longer exists.

Quotes from the same author

But what is liberty without wisdom, and without virtue? It is the greatest of all possible evils; for it is folly, vice, and madness, without tuition or restraint.
The people never give up their liberties but under some delusion.
But the age of chivalry is gone. That of sophisters, economists, and calculators has succeeded; and the glory of Europe is extinguished forever.
Early and provident fear is the mother of safety.
Whenever government abandons law, it proclaims anarchy.