Talk low, talk slow and don't say too much.

"Talk low, talk slow and don't say too much." - John Wayne

Knowledge speaks, but wisdom listen.

"Knowledge speaks, but wisdom listen." - Jimi Hendrix

The smarter you get, the less you speak.

"The smarter you get, the less you speak." - Unknown

"Say as you think and speak it from your souls."

"Say as you think and speak it from your souls." William Shakespeare