We must fight against oppression even if it means fighting against one of our own - inferiority only exists in the mind.

you must treat this system like spoiled food, you'll get violently sick if you consume it.

We must remember that any oppression, any injustice, any hatred, is a wedge designed to attack our civilization

He (Thomas Paine) saw oppression on every hand; injustice everywhere; hypocrisy at the altar; venality on the bench, tyranny on the throne; and with a splendid courage he espoused the cause of the weak against the strong

Whichever group is in ascension at a given moment is, historically speaking, both unlikely to acknowledge the existence of abuses or bias, and also to justify the bias on any grounds they can - social, biological, what have you.

There can be no peace as long as there is grinding poverty, social injustice, inequality, oppression, environmental degradation, and as long as the weak and small continue to be trodden by the mighty and powerful.