Almost all religions on the planet have a commonality in one topic, the Law of Reciprocity, aka "The Golden Rule"--"Do to others as you would have them do to you" (Luke 6:31). It is universally accepted as truth. Bear in mind, when God creates truth, it can and will surface as truth everywhere. It may become muddied by a society that does not know Jehovah God, but absence of belief in Him does not nullify His truth. God created truth, therefore, it is always truth. Beliefs may not be common to everyone, but truth is truth regardless:

Buddhism:

     "A state that is not pleasing or delightful to me, how could I inflict on another?" Samyutta Nikaya vs. 353

Confucianism:

     "Do not do to others what you do not want them to do to you." Analects 15:23

Ancient Egyptian:

     "Do for one who may do for you, that you may cause him thus to do." from "The Tale of the Eloquent 

                                                                                                                   Peasant" 109-110

Hinduism:

     "This is the sum of duty: do not do to others what would cause pain if done to you." Mahabarata 5:1517

Islam:

     "None of you [truly] believes until what he wishes for his brother is what he wishes for himself." 

                                                                                     Number 13 of Imam "Al-Nawawi's Forty Hadiths"

Jainism:

     "In happiness and suffering, in joy and grief, we should regard all creatures as we regard our own self."

                                                                                        Lord Mahavira, 24th Tirthankara

Judaism:

     "Thou shalt love thy neighbor as thyself." Leviticus 19:18

     "What is hateful to you, do not to your fellow man. This is the law: all the rest is commentary."

                                                                                                        Talmud, Sabbat 31a

Native American:

     "Respect for all life is the foundation." The Great Law of Peace

Shinto:

     "Be charitable to all beings, love is the representative of God." Ko-ji-ki Hachiman Kasuga

Taoism:

     "Regard your neighbor's gain as your own gain, and your neighbor's loss as your own loss."      

T'ai Shang Kam Ying P'ien

(As quoted from Religious Tolerance .org)

Christianity:

     "Let no debt remain outstanding, except the continuing debt to love one another, for he who loves his fellow man has fulfilled the law. The commandments, 'Do not murder,' 'Do not steal,' 'Do not covet,' and whatever other commandment there may be are summed up in this one rule:'Love your neighbor as yourself.' Love does no harm to its neighbor. Therefore love is the fulfillment of the law'" (Romans 13:8-10).

     "The entire law is summed up in a single command: 'Love your neighbor as yourself.' If you keep on biting and devouring one another, watch out, or you will be destroyed by one another" (Galatians 5:14-15).

     "Carry each other's burdens, and in this way you will fulfill the law of Christ" (Galatians 6:2). 

     "So in everything, do to others what you would have them do to you, for this sums up the Law and the Prophets" -- Jesus (Matthew 7:12).

 Lord Jesus, according to Your desire, help me to love others, regardless of their beliefs; but also help me to represent You before them, so their hearts may be turned to You, for You love all mankind, and they are Your creation as I am. Help me to love as You love. Amen