Every indication of wisdom, taken from the effect, is equally an indication of power to execute what wisdom planned.
Thomas ReidIt appears evident, therefore, that those actions only can truly be called virtuous, and deserving of moral approbation, which the agent believed to be right, and to which he was influenced, more or less, by that belief.
Thomas ReidIn every chain of reasoning, the evidence of the last conclusion can be no greater than that of the weakest link of the chain, whatever may be the strength of the rest.
Thomas Reidmust acknowledge, that to act properly is much more valuable than to think justly or reason acutely.
Thomas Reid