It was not a religion that attacked us that September day. It was al-Qaeda. We will not sacrifice the liberties we cherish or hunker down behind walls of suspicion and mistrust.
— Barack Obama

Suspicion is most often useless pain.
Samuel Johnson suspicions quote

Suspicion is the cancer of friendship.
— Francesco Petrarch

Suspicion is a heavy armor and with its weight it impedes more than it protects.
— Robert Burns

Getting talked about is one of the penalties for being pretty, while being above suspicion is about the only compensation for being homely.
— Kin Hubbard