He behaved like an ostrich and put his head in the sand, thereby exposing his thinking parts.
George CarmanAnswers are not obtained by putting the wrong question and thereby begging the real one.
Felix FrankfurterBe not forgetful to entertain strangers; for thereby some have entertained angels unawares.
Serena B. MillerBeware to entertain strangers, thereby you may entertain an angel unawares...New Testament.
New Testament in English/Arabic