Who among the following is credited with the view that 'knowledge without character' is a sin?

Mahatma Gandhi listed knowledge without character among his seven social sins.

Plato wrote on knowledge and virtue but did not frame this particular saying.

Jawaharlal Nehru is not credited with this formulation.

Sarvepalli Radhakrishnan wrote widely on values but is not its source.

Gandhi's seven sins also include wealth without work and commerce without morality.

He published this list in Young India in 1925.