Ability

Natural abilities are like natural plants, that need pruning by study.

Francis Bacon

Skill to do comes of doing.

Ralph Waldo Emerson

No amount of ability is of the slightest avail without honor.

Andrew Carnegie

Without the assistance of natural capacity, rules and precepts are of no efficacy.

Quintilian.

There is something that is much more scarce, something finer far, something rarer than ability. It is the ability to recognize ability.

Elbert Green Hubbard.

I add this also, that natural ability without education has oftener raised man to glory and virtue than education without natural ability.

Cicero.

Ability hits the mark where presumption overshoots and diffidence  falls short.

Nicholas of Cusa.

No amount of ability is of the slightest avail without honor.

Andrew Carnegie.

Better be proficient in one art than a smatterer in a hundred.

Japanese Proverb. 

A man who qualifies himself well for his calling, never fails of employment.

Thomas Jefferson

It is a great ability to be able to conceal one's ability.

François de La Rochefoucauld

The ability to deal with people is as purchasable a commodity as sugar or coffee. And I pay more for that ability than for any other under the sun. 

John Davison Rockefeller .

So long as a man imagines that he cannot do this or that, so long is he determined not to do it; and consequently so long is it impossible to him that he should do it.

Benedict Spinoza.

They are able because they think they are able. 

Vergil.