The way of presentation is different according to each religion. In theistic religions like Buddhism, Buddhist values are incorporated. In nontheistic religions, like some types of ancient Indian thought, the law of karma applies. If you do something good, you get a good result. Now, what we need is a way to educate nonbelievers. These nonbelievers may be critical of all religions, but they should be decent at heart.
The poisonous serpent of afflictions is sleeping in your mind; just as if a black viper were asleep in your room. You must use the hook of precepts to quickly remove it. When the sleeping snake is gone, then you can rest at ease.
Whether one believes in a religion or not, and whether one believes in rebirth or not, there isn't anyone who doesn't appreciate kindness and compassion.
I, ever knowing the living beings Who tread the Path and those who do not In response to those who may be saved Preach to them a variety of dharmas, Each time having this thought: 'How may I cause the beings To contrive to enter the Unexcelled Path and quickly to perfect the Buddha-body?'