Example Sentences:

Ramayana:  Citizens of Ayodhya were dismayed by what they initially thought was their king’s callous disregard of Rama caused by his infatuation with his youngest wife, Kaikeyi.

Mahabharata:  Dhritarashtra’s callous silence about investigating his son’s alleged involvement in the plot to have the Pandavas burnt spoke volumes for many.

Bhagavad-gita:  To be detached is not to be callous; it is to be focused on the spiritual and to thereby become able to tolerate the material word’s ups and downs.