It is better to keep your mouth closed and let people think you are a fool than to open it and remove all doubt.
It's better to stay silent and look a fool, rather than speak and remove all doubt.
We may not doubt that society in heaven consists mainly of undesirable persons.
When all is said and done, the one sole condition that makes spiritual happiness and preserves it is the absence of doubt.
If a person offends you, and you are in doubt as to whether it was intentional or not, do not resort to extreme measures; simply watch your chance, and hit him with a brick.
As to the adjective: when in doubt, strike it out.
When in doubt tell the truth. It will confound your enemies and astound your friends.
When in doubt, tell the truth. That maxim I did invent, but never expected it to be applied to me. I did say, "When you are in doubt," but when I am in doubt myself I use more sagacity.
Focus more on your desire than on your doubt, and the dream will take care of itself.
Truth is more of a stranger than fiction. When in doubt, tell the truth. If you tell the truth, you don't have to remember anything. Most writers regard the truth as their most valuable possession, and therefore are economical in its use.
Reputation is a hall-mark: it can remove doubt from pure silver, and it can also make the plated article pass for pure.