When you have lived with a professional liar, one can only wonder about his motives. Michel Fize gives acclaim to the truth. We can perfectly live without lying. In this light work, dissected lies and finally we learn that there are few "small" lies and that could well live without lying. That telling the truth is the fact that courageous people. The liar can lie without blinking and frankly, the other takes a fool to believe that giving is not smart enough to hear the truth. This very educational book, documented and accessible makes you want to stay or become virtuous. The many examples that are scattered about make it great clarity. Congratulations to this science without conceit and pretension, which gives each of us, mostly secular, with great modesty (that of excellence), access to the results of many years of research.