The effectiveness of your ...

The effectiveness of your work will never rise above your ability to lead and influence others.
The effectiveness of your work will never rise above your ability to lead and influence others.

More phrases

Difficulties are meant to rouse, not discourage. The human spirit is to grow strong by conflict.
 William Ellery Channing
Everything you are against weakens you. Everything you are for empowers you.
People sleep peaceably in their beds at night only because rough men stand ready to do violence on their behalf.
 Richard Grenier
Nothing is so strong as gentleness, nothing so gentle as real strength.
 Saint Francis de Sales
For a human being, sadness is as powerful as terror. Sadness makes a warrior shed tears of blood.

Quotes from the same author

A man must be big enough to admit his mistakes, smart enough to profit from them, and strong enough to correct them.
A leader is one who knows the way, goes the way, and shows the way.
If you want to make your mother happy, talk to her. If you want to make your father happy, listen.
Talent is a gift, but our character is a choice. Talent is natural ability, our gift from God, but we have the power to determine our character. That power rests on a foundation consisting of the choices we make in life. And those choices almost always dictate the amount of trust others have in us, and to what level of leadership we rise.
Responsibility is the most important ability that a person can possess.