Keep your mouth shut, and ...

Keep your mouth shut, and close up the doors of sight and sound, and as long as you live you will have no vexation. But open your mouth, or become inquisitive, and you will be in trouble all your life long.
Keep your mouth shut, and close up the doors of sight and sound, and as long as you live you will have no vexation. But open your mouth, or become inquisitive, and you will be in trouble all your life long.

Quotes from the same author

New beginnings are often disguised as painful endings.
He who controls others may be powerful, but he who has mastered himself is mightier still.
He who knows others is wise. He who knows himself is enlightened.
One who is too insistent on his own views, finds few to agree with him.
Kindness in words creates confidence. Kindness in thinking creates profoundness. Kindness in giving creates love.