Francis Schaeffer on Sin and Man

Schaeffer says:

We must not accept minor secondary causes as to why man sins. Some psychological and sociological conditioning occurs in every man's life, and this affects the decisions he makes. But we must resist the modern concept that all sin can be explained merely on the basis of conditioning. In our generation there is a constant tendency to explain sin lightly and think that such an explanation is more humanitarian. But it isn't. It decreases the importance and significance of man.

Death in the City in The Complete Works of Francis A. Schaeffer. vol. 4. Wheaton, IL: Crossway books. 1982. p. 274.