Step 1: Understand the statement in the passage.
The passage explains that every man has two responsibilities in life --- one towards his family and another towards his people and country.
Step 2: Identify the condition mentioned.
Nelson Mandela states that in a civil and humane society, a person can fulfil both obligations according to his abilities and interests.
Step 3: Explain the meaning of such a society.
A civil and humane society is one where people enjoy equality, freedom, justice, and opportunities without discrimination.
Step 4: Conclude the answer.
Therefore, a civil and humane society is required so that a person can fulfil responsibilities towards both family and country.