Quotes on Questioning Beliefs

The truth knocks on the door and you say, go away, I'm looking for the truth, and it goes away. Puzzling.

Follow humbly wherever and to whatever abyss Nature leads, or you shall learn nothing.

Men become civilized, not in proportion to their willingness to believe, but in their readiness to doubt.

I know that most men, including those at ease with problems of the greatest complexity, can seldom accept even the simplest and most obvious truth if it be such as would oblige them to admit the falsity of conclusions which they have delighted in explaining to colleagues, which they have proudly taught to others, and which they have woven, thread by thread, into the fabric of their lives.

New opinions are always suspected, and usually opposed, without any other reason but because they are not already common.

Question with boldness even the existence of a god.

There is no better soporific and sedative than skepticism.

Genius... means little more than the faculty of perceiving in an unhabitual way.