in Christianity means
A particular body of faithful people,
And the whole body of the faithful.
More particularly it means to call together an assembly, congregation, council, or convocation.
Ummah in Islam has roughly the second meaning, it describes the whole body of muslims as a collectivity as opposed to them individually, or in groups.
The two words have similar lexical meanings. Ummah, from أمة means "nation, people, community" while ecclesia, from ἐκκλησία, means "assembly". In Christianity it came to refer to the assembled people of God, or the church.
From the perspective of Christianity, the biggest difference is that while the ummah is a community of people, the ecclesia of God is a ...
Few people think more than two or three times a year. I have made an international reputation for myself by thinking once or twice a week.
George Bernard Shaw
Was Shaw only talking of religious people?
The unexamined life is not worth living
Easy to remember that Socrates said this. Harder to remember that he said it at his trial! ie he was ...
I would say that most well-informed books on religion are concerned with identifying mental traps and helping us avoid them. The traps that you mention in the question are for the most part fallen into by believers rather than taught by their Church, and much religious writing is intended to help them escape from such traps.
The best 'trap-avoider' I've ...
I can't readily agree that to show mercy is to act unjustly towards oneself.
... we may characterize mercy as the putative ethical value that justifies leniency in the infliction of punishment that is due in accordance with justice. Only someone who has cultivated a rational sensitivity to
this value in thought, feeling and action has the virtue of ...