I have wept in the nightAt my shortness of sightThat to others' needs made me blind,But I never have yetHad a twinge of regretFor being a little too kind. - C.R. Gibson
As to the gods, I have no means of knowing either that they exist or do not exist. For many are the obstacles that impede knowledge, both the obscurity of the question and the shortness of human life. - Diogenes Laërtius
Concerning the gods I cannot know either that they exist or that they do not exist, or what form they might have, for there is much to prevent one's knowing: the obscurity of the subject and the shortness of man's life. - Protagoras
By the study of Boltzmann I have been unable to understand him. He could not understand me on account of my shortness, and his length was and is an equal stumbling block to me. - James Clerk Maxwell