There is no rule more invariable than that we are paid for our suspicions by finding what we suspected. Henry David Thoreau
There is one safeguard known generally to the wise, which is an advantage and security to all, but especially to democracies as against despots – suspicion. Demosthenes
Suspicion is the companion of mean souls, and the bane of all good society. Thomas Paine
Suspicions amongst thoughts are like bats amongst birds, they ever fly by twilight. Francis Bacon
Suspicion is not less an enemy to virtue than to happiness; he that is already corrupt is naturally suspicious, and he that becomes suspicious will quickly be corrupt. Joseph Addison
Suspicion is the beginning of wisdom, and of madness. Mason Cooley