The Greek conception of a life in harmony with nature found its most complete development in the rationalism of the Renaissance and of the centuries that followed it.

In the ancient world and, above all, among the Greeks, human nature was held in high esteem.

The old age of lower mammals presents characters similar to those found in man.

This is a development that could bring about a complete renaissance of the village.

Most of the centenarians whom I have been able to see have been so defective mentally that all that can be studied in them are the physical qualities and functions.

Science, it is said, no doubt has ameliorated the material conditions of human life, but is powerless to solve those moral and philosophical questions that interest cultured people so deeply.