Reinhold Niebuhr - The Nature and Destiny of Man (1941)
6 Sourced Quotes
The modern man is... certain about his essential virtue... [and since] he does not see that he has a freedom of spirit which transcends both nature and reason... [he] is unable to understand the real pathos of his defiance of nature's and reason's laws. He always imagines himself betrayed into this defiance either by some accidental corruption in his past history or by some sloth of reason. Hence he hopes for redemption, either through a program of social reorganization or by some scheme of education.
The brotherhood of the community is indeed the ground in which the individual is ethically realized. But the community is the frustration as well as the realization of individual life. Its collective egotism is an offense to his conscience; its institutional injustices negate the ideal of justice; and such brotherhood as it achieves is limited by ethnic and geographic boundaries. Historical communities are, in short, more deeply involved in nature and time than the individual.
Human existence is obviously distinguished from animal life by its qualified participation in creation. Within limits it breaks the forms of nature and creates new configurations of vitality. Its transcendence over natural process offers it the opportunity of interfering with the established forms and unities of vitality as nature knows them.