Nature gave us one tongue and two ears so we could hear twice as much as we speak. – Epictetus

People should talk less and draw more. Personally, I would like to renounce speech altogether and, like organic nature, communicate everything I have to say visually. – Johann von Goethe

Your ability to move others into appropriate, timely, and effective action is largely determined by the consequences of your speaking and listening. – Suzanne Mayo Frindt

Listen or thy tongue will keep thee deaf. – Native American Indian Proverb