"Those who visit foreign nations, but associate only with their own country-men, change their climate, but not their customs. They see new meridians, but the same men and with heads as empty as their pockets, return home with traveled bodies, but untravelled minds."

"He who studies books alone will know how things ought to be, and he who studies men will know how they are."

"There is a paradox in pride: it makes some men ridiculous, but prevents others from becoming so."

"Examinations are formidable even to the best prepared, for the greatest fool may ask more than the wisest man can answer."

"Religion is something left over from the infancy of our intelligence, it will fade away as we adopt reason and science as our guidelines."

"A humble soul understands that the mind is a garden where thoughts are the seeds."

"A universe with a God would look quite different from a universe without one. A physics, a biology where there is a God is bound to look different. So the most basic claims of religion are scientific. Religion is a scientific theory."

"If you are going through hell, keep going."