It is the best thing to blame ourselves when people cannot get on well with us. Boundless charity necessarily includes all or it ceases to be boundless. We must be strict with ourselves and lenient with our neighbors. For we know not their difficulties and what they overcome.
As human beings, our greatness lies not so much in being able to remake the world - that is the myth of the atomic age - as in being able to remake ourselves.
Man and his deed are two distinct things. Whereas a good deed should call forth approbation and a wicked deed dis-approbation, the doer of the deed, whether good or wicked always deserves respect or pity as the case may be. Hate the sin and not the sinner is a precept which though easy enough to understand is rarely practised, and that is why the poison of hatred spreads in the world.
Even as wisdom often comes from the mouths of babes, so does it often come from the mouths of old people. The golden rule is to test everything in the light of reason and experience, no matter from where it comes.