Reason is what helps us eliminate our prejudice, but it's love that makes us want to eliminate our prejudice.

To be a human it's necessary to carry out the requirements of civilization and the requirements of civilization are reason and compassion.

Rigidity is bondage that keeps you from realizing your true capacity.

We may consider something wrong due to our lack of knowledge, but in the face of overwhelming evidence only an animal refuses to change their outlook and persists with their delusions.

There is a difference between growing up and growing old - most people grow old without ever growing up.

Everything that's worth anything in the world has been achieved by the inquiring mind full of questions, not by those full of rituals and prejudice.

To know whether one is civilized, one must ask three questions. Is one accountable? Is one reasonable? Is one indivisible?

If you begin an investigation with the conclusion that what you seek to understand is ultimately unknowable, then you've lost the battle against ignorance before you've even begun.

Not everything that is civilized is logical, and not everything that is logical is civilized.