An unhealthy mind, even in a healthy body, will ultimately destroy health.

There is no place for little minds in a great work

There are many levels of life which we cannot see and know, yet which certainly exist. There is a larger world, vast enough to include immortality.... Our spiritual natures belong to this larger world ... If death is apparently an outward fact, immortality is an inner certainty.

If the infinite had not desired man to be wise, he would not have bestowed upon him the faculty of knowing.

Experiences are the chemicals of life with which the philosopher experiments

In ancient times men fought with their right arms and defended with their left arms... ...the right side of the body was considered masculine and the left side feminine.

Man's status in the natural world is determined, therefore, by the quality of his thinking.