Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so. You must not lose faith in humanity. Humanity is an ocean if a few drops of the ocean are dirty, the ocean does not become dirty.
I believe that just as everyone inherits a particular form so does he inherit the particular characteristics and qualities of his progenitors, and to make this admission is to conserve one's energy.