All men look alike, but they differ in their nature. In some the Sattwa quality is predominant,in others Rajas, and in the rest Tamas.
Pooli (cakes) all look alike on the outside, but the contents vary; some may contain sweet thickened cream, others cocoanut sweetened with sugar, while others may have boiled Kalai (pulse) with no sweetening.
Source: THE GOSPEL OF RAMAKRISHNA Revised by SWAMI ABHEDANANDA
More Over in Bhagavad Gita it is written
Even a man of knowledge acts according to his own nature, for everyone follows his nature. What can repression accomplish?