From Oneness - Great Principles Shared By All Religions:

Do Not Harm Anything

Do not hurt others, do no one injury in thought or deed, utter no word to pain they fellow creatures. - Hinduism

Hurt none by word or deed, be consistent in well-doing. - Buddhism

Be ye kind to one another, tenderhearted, forgiving one another, even as God for Christ's sake hath forgiven you. - Christianity

One should do no harm to any living being, neither by thoughts nor words nor acts. - Jainism

Show kindness and mercy each to his brother. - Judaism

There should be neither harm nor reciprocating of harm. - Islam

  

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Heaven Is Within

The kingdom of God cometh not with observation: neither shall they say, Lo here! or, lo there! for, behold, the kingdom of God is within you. - Christianity

What the underdeveloped man seeks is outside; what the advanced man seeks is within himself. - Confucianism

If you think the Law is outside yourself, you are embracing not the absolute Law but some inferior teaching. - Buddhism

If human beings knew their own secrets, they would never look elsewhere seeking for happiness and peace. - Sufism

God abides in the hearts of all. - Hinduism

God is in thy heart, yet thou searchest for Him in the wilderness. - Sikhism