"If you think, don't speak.
"If you think and if you speak, don't write.
"If you think, and if you speak, and if you write, don't sign your name.
"If you think, and if you speak, and if you write and if you sign your name, don't be surprised."
-- Anonymous
"If you think and if you speak, don't write.
"If you think, and if you speak, and if you write, don't sign your name.
"If you think, and if you speak, and if you write and if you sign your name, don't be surprised."
-- Anonymous