The worst sin towards our fellow creatures is not to hate them, but to be indifferent to them. That's the essence of inhumanity.

It is worse still to be ignorant of your ignorance.

Will future ages believe that such stupid bigotry ever existed!

Now they were as strangers; worse than strangers, for they could never become acquainted.

The human race sleepwalked to oblivion, thinking only of the corporate logos on it's shroud.

People are bloody ignorant apes.

To insult someone we call him 'bestial'. For deliberate cruelty and nature, 'human' might be the greater insult.

Condemnation before investigation, is the highest form of ignorance.

In our time the most warlike nations are the most rude and ignorant.

None of us could know how insignificant we were...

silence is the most intolerable of answers.

Of all difficulties which impede the progress of thought, and the formation of well-grounded opinions on life and social arrangements, the greatest is now the unspeakable ignorance and inattention of mankind in respect to the influences which form human character.

We have been slow to recognize the degree to which religious faith perpetuates man's inhumanity to man.

The highest form of ignorance is when you reject something you don’t know anything about. — Wayne Dyer