In fine, I repeat that you must lay aside all prejudice on both sides, and neither believe nor reject any thing because any other person, or description of persons have rejected or believed it. Your own reason is the only oracle given you by heaven, and you are answerable not for the rightness but the uprightness of the decisions.

Thomas Jefferson (1743-1826) American political philosopher, polymath, statesman, US President (1801-09)
Letter to Peter Carr (10 Aug 1787)

On urging him to read and determine for himself the divinity or non-divinity of Christ. Full text.