أن ما يعزز عقول البشر ويوسعها هو التأمل الحر والجريء في أرفع المواضيع وأسماها

“...it is contrary to reason and experience to suppose that there can be any rea…”

“So long as an opinion is strongly rooted in the feelings, it gains rather than …”

“Stupidity is much the same all the world over. A stupid person's notions and fe…”

“The love of power and the love of liberty are in eternal antagonism.”