Sri Ramakrishna's intense God-intoxication appeared excessive even to the many educated people of his time. . . .
God, to him, was both with form and formless at the same time. He saw all religions as equally true. . . .
In Sri Ramakrishna's message of spirituality, there was no sin but only error, no darkness but only absence of light. For his harmony of religions, he never asked anyone to accept something new. His only requirement was sincerity of purpose — a Hindu was to be a sincere Hindu, a Christian a sincere Christian, and a Muslim a sincere Muslim.
— Swami Adiswarananda, The Spiritual Quest and the Way of Yoga