A thick skin is a gift from God.
~ Konrad Adenauer

Only a man who knows what it is like to be defeated can reach down to the bottom of his soul and come up with the extra ounce of power it takes to win when the match is even.
~ Muhammad Ali

In all human affairs there are efforts, and there are results, and the strength of effort is the measure of the results.
~ James Allen

The man who can drive himself further once the effort gets painful is the man who will win.
~ Roger Bannister

What this power is I cannot say; all I know is that it exists and it becomes available only when a man is in that state of mind in which he knows exactly what he wants and is fully determined not to quit until he finds it.
~ Alexander Graham Bell

I am doing a great work and I cannot come down. Why should the work stop while I leave it and come down to you?
~ Bible

So we built the wall and the whole wall was joined together to half its height; for the people had a mind to work. [Nehemiah 4:6 ]
~ Bible

Be determined to handle any challenge in a way that will make you grow.
~ Les Brown

Firmness in enduring and exertion is a character I always wish to possess. I have always despised the whining yelp of complaint and cowardly resolve.
~ Robert Burns

The longer I live, the more I am certain that the great difference between the great and the insignificant, is energy -- invincible determination -- a purpose once fixed, and then death or victory.
~ Sir Thomas Fowell Buxton

You can do what you have to do, and sometimes you can do it even better than you think you can.
~ Jimmy Carter

Earnestness is not by any means everything; it is very often a subtle form of pious pride because it is obsessed with the method and not with the Master.
~ Oswald Chambers

I have brought myself, by long meditation, to the conviction that a human being with a settled purpose must accomplish it, and that nothing can resist a will which will stake even existence upon its fulfillment.
~ Benjamin Disraeli

Not an inch of our territory not a stone of our fortress.
~ Jules Favre

No man can fight his way to the top and stay at the top without exercising the fullest measure of grit, courage, determination, resolution. Every man who gets anywhere does so because he has first firmly resolved to progress in the world and then has enough stick-to-it-tiveness to transform his resolution into reality. Without resolution, no man can win any worthwhile place among his fellow men.
~ B. C. Forbes

Determination that just won't quit -- that's what it takes.
~ A. J. Foyt

There's no ceiling on effort!
~ Harvey C. Fruehauf

An invincible determination can accomplish almost anything and in this lies the great distinction between great men and little men.
~ Thomas Fuller

Nothing great will ever be achieved without great men, and men are great only if they are determined to be so.
~ Charles De Gaulle

A determined soul will do more with a rusty monkey wrench than a loafer will accomplish with all the tools in a machine shop.
~ Robert Hughes