It is my conviction that, with the spread of true scientific culture, whatever may be the medium, historical, philological, philosophical, or physical, through which that culture is conveyed, and with its necessary concomitant, a constant...

The only ethical principle which has made science possible is that the truth shall be told all the time. If we do not penalize false statements made in error, we open up the way for...

To make a deliberate falsification for personal gain is the last, worst depth to which either scholar or artist can descend in work or life.(Letter to Muriel St. Clare Byrne, 8 September 1935)

See that the mind is honest, first; the rest may follow or not as God wills. [That] the fundamental treason to the mind … is the one fundamental treason which the scholar’s mind must not...

Aging and the prospect of dying by no means enhance the attractiveness of fictitious comforts to come in paradise, or the veracity of malicious myths about hellfire and damnation. Fear and feeblemindedness cannot be credibly...

If it be well weighed, to say that a man lieth, is as much to say, as that he is brave towards God and a coward towards men.

From whomsoever one hears anything, it is wisdom to understand the true import of it.