Who said ‘not mercy but service for man must be regarded as God’?

Q. Who said ‘not mercy but service for man must be regarded as God’?
(a) Ishwar Chandra Vidyasagar
(b) Ramakrishna Paramhansa
(c) Swami Vivekananda
(d) M G Ranade
Ans: (b) Ramakrishna Paramhansa