The number of older people in modern society is growing, and their presence raises a key question - what is life? Like any encounter with weakness, communication with the elderly forces us to rethink the nature of man and the purpose of his life.The chapters of the book "The Power of Age" are a competent analysis of various aspects of the situation of older people in the modern world and more than forty years of activity The communities of Saint Egidius for their support. This deep reflection on the condition of the elderly expresses the wisdom of long years of friendship, conversation, closeness in illness and on the verge of death. The book is useful for everyone: for young people and for families, for everyone who is facing old age, who has elderly relatives at home, who works in structures intended for them or volunteers.Life in socially protected societies is lengthening old age is becoming a mass phenomenon, and this is the progress of human society. But there is not enough culture of a humane attitude towards old age. But old age, like any period of life, has its own values and its own beauty. This book helps to open them.