Shake off all the fears and servile prejudices under which weak minds are servilely crouched. Fix reason firmly in her seat, and call to her tribunal every fact, every opinion. Question with boldness even the existence of a god; because, if there be one, he must more approve the homage of reason, than that of blindfolded fear... Your own reason is the only oracle given you by heaven, and you are answerable not for the rightness but uprightness of the decision.

I was bold in the pursuit of knowledge, never fearing to follow truth and reason to whatever results they led, and bearding every authority which stood in their way.

The only security of all is in a free press.

The proscribing any citizen as unworthy the public confidence by laying upon him an incapacity of being called to offices of trust and emolument unless he profess or renounce this or that religious opinion is depriving him injuriously of those privileges and advantages to which, in common with his fellow citizens, he has a natural right.

Botany I rank with the most valuable sciences.

I endeavor to keep their attention fixed on the main objects of all science, the freedom & happiness of man.

It be urged that the wild and uncultivated tree, hitherto yielding sour and bitter fruit only, can never be made to yield better; yet we know that the grafting art implants a new tree on the savage stock, producing what is most estimable in kind and degree. Education, in like manner, engrafts a new man on the native stock, and improves what in his nature was vicious and perverse into qualities of virtue and social worth.