Be a philosopher but, amid all your philosophy be still a man.
Scholastic learning and polemical divinity retarded the growth of all true knowledge.
Beauty, whether moral or natural, is felt, more properly than perceived.
The chief benefit, which results from philosophy, arises in an indirect manner, and proceeds more from its secret, insensible influence, than from its immediate application.
It is not contrary to reason to prefer the destruction of the whole world to the scratching of my finger.
A propensity to hope and joy is real riches; one to fear and sorrow real poverty.
It is seldom that liberty of any kind is lost all at once.
It is not reason which is the guide of life, but custom.
Avarice, the spur of industry.
No testimony is sufficient to establish a miracle, unless the testimony be of such a kind, that its falsehood would be more miraculous than the fact which it endeavors to establish.