Jesus says the kingdom of Heaven is like leaven that makes the dough rise. Thoughts?

I believe he was trying to show us, Christian culture purifies the nation and the people who migrate to it.

I see more generosity among actively religious people, more sympathy for social outcasts, more honesty when a young person needs open rebuke, more gentleness with people they disagree.

I also see less grudge holding when wronged, more objectivity when you are the guilty party and not your adversary. And more willingness to maintain good behavioural standards when nobody is around to force moral compliance or good behaviour from you.

Like, I find church people are 95% less likely to lie on their resumes or at their job interviews.

Jesus says the kingdom of Heaven is like leaven that makes the dough rise. Thoughts?
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