Swami Vivekananda made numerous inspired statements about his teacher, Sri Ramakrishna. Some of these are found in this post.
Whoever — man or woman — will worship Sri Ramakrishna, be he or she ever so low, will then and there be converted into the very highest … Everyone has the right to worship him. Whoever will worship him only with devotion shall be blessed forever.
(Letter to Ramakrishnananda, 1895)
And so to Thou—Ramakrishna… I betake myself. For in Thy Feet alone is the refuge of man.
(Prayer Vivekananda uttered in Nivedita’s presence.)