"Short is the way, little the labor, which, nevertheless, will repay you with the crown that fadeth not away. Accordingly, we speak with the authority of the prophet: 'Gird thy sword upon thy thigh O mighty one.' Gird yourselves, everyone of you, I say, and be valiant sons; for it is better for you to die in battle than to behold, the sorrows of your race and of your holy places. Let neither property nor the alluring charms of your wives entice you from going; nor let the trials that are to be borne so deter you that you remain here "
-speech by Pope Urban II