There is definitely a positive aspect of anger such as, anger at sin and anger at ungodliness or injustice of the society.

Let your faith be in the Lord Jesus and not in your strength, to fight against ungodliness and injustice in the society.

If you have experienced injustice and insulted by the ungodliness, then you are a candidate to stand against the same.

Your voice can be made loud to speak against ungodliness and injustice and not promote it.

If people in the position of power are not made to be accountable, then, ungodliness, injustice and oppression will continue to be the order of the day in the society.

Do not waste your anger, you may just be the candidate to deliver a people from oppression or injustice.

When you see injustice among the nations, you will find out that the root cause is covetousness.

At the root of every form of ungodliness, injustice, nepotism, selfishness, every rivalry and competitive jealousy, is the monster called greed.

When you see injustice among the nations, you will find out that the root cause is covetousnes.

Your anger towards ungodliness, towards injustice and the likes, will create a hunger in you to fulfill a particular purpose meant for you.

Your anger and fury at ungodliness and injustice around you is a license given to you to fulfill a purpose.

... but it is human to be outraged by injustice, even to the point of courting destruction!

It is better to suffer injustice than to do it.

Injustice in this world is not something comparative; the wrong is deep, clear, and absolute in each private fate.

Normally a grand jury will indict a ham sandwich if a prosecutor asks it to.

A grievance is most poignant when almost redressed.

We must believe in the gods no longer if injustice is to prevail over justice.

No man at bottom means injustice; it is always for some obscure distorted image of a right that he contends: an obscure image diffracted, exaggerated, in the wonderfulest way by natural dimness and selfishness; getting tenfold more diffracted by exasperation of contest, till at length it become all but irrecognis-able.

It is the feeling of injustice that is insupportable to all men.

Justice is my being allowed to do whatever I like. Injustice is whatever prevents my doing so.