Each of us is a being in himself and a being in society, each of us needs to understand himself and understand others, take care of others and be taken care of himself.

The sentence frames human life as a double condition: we are irreducibly individual (“a being in himself”) yet inescapably relational (“a being in society”). It argues that self-knowledge and social understanding are not competing aims but paired obligations. The ethical core is reciprocity: a mature person both accepts care and extends it, recognizing dependence as a normal feature of community rather than a failure of autonomy. In effect, the quote rejects extremes—pure individualism that denies responsibility to others, and pure collectivism that erases the self—proposing instead a balanced humanism grounded in mutual comprehension and mutual aid.