Simple, effective, enrichissant.Ce little book very tonic to me "electrified" to propel me towards the "outside" .A raisonnance fund for moi.On can not say no, or go against the evidence which echo , light (in itself) .We can only agree (with new convivtion force) and follow "meaning" ... naturally-To do good all-sweetness-Me even gave the impression having been coddled (sic!). To read quietly attentive, immersing himself in order for the echo does not make that happen. Good reflection ... where flows the source.