Boris Sidis Quotes:
Ocupation: Psychologist
Life: October 12, 1867 - October 24, 1923
Birthday: October 12
Death: October 24
Self-preservation is the central aim of all life-activities.
source: "Nervous Ills their Cause and Cure" by Boris Sidis, (p. 20), 1922.
topic: Self, Self Preservation, Preservation
