La promo du moment
"It is a widely entertained belief, especially among reformers, philanthropists and many educators, that the force of environment is very great. This view may be the result of vague personal impressions, natural hope, kindliness of heart or perhaps at times professional and selfish interests. But do the facts of science support the expectant hope? Something is needed beyond dogmatic statements and wordy essays..."
This book deals with the laws of environmental influence.