Nature has given to men one tongue, but two ears, that we may hear from others twice as much as we speak. Epictetus
Men are born with two eyes, but with one tongue, in order that they should see twice as much as they say. Charles Caleb Colton
Unquestionably, there is progress. The average American now pays out twice as much in taxes as he formerly got in wages. H. L. Mencken
Having two ears and one tongue, we should listen twice as much as we speak. Turkish Proverb
The lazy work twice as much. Mexican Proverb
Listen to people twice as much as you speak. Traditional Proverb