Answer:1. Socrates (469–399 BCE)He believed that “The unexamined life is not worth living.”Human life should focus on self-examination, wisdom, and virtue.He emphasized that true happiness comes from moral integrity and knowledge, not material wealth.2. Plato (427–347 BCE)He saw human life as a journey toward the realization of the ideal “Forms”, especially the Form of the Good.He believed that the soul is immortal and that life should be dedicated to seeking truth, wisdom, and justice.In his view, the best life is one led by reason, where individuals contribute to society based on their natural abilities.3. Aristotle (384–322 BCE)He viewed human life as the pursuit of eudaimonia (flourishing or true happiness).He believed that happiness is achieved through virtue (moral excellence) and rationality.A good life requires balance, self-discipline, and fulfilling one’s potential in relationships, work, and society.Summary:Socrates: Life is about self-examination and wisdom.Plato: Life is about seeking truth and higher ideals.Aristotle: Life is about flourishing through virtue and reason.