To pardon those absurdities in ourselves which we cannot suffer in others is neither better nor worse than to be more willing to be fools ourselves than to have others so.
Hitler suffered acutely from meteorism; perhaps he did not suffer so acutely as those around him, since meteorism is uncontrolled farting, a condition exacerbated by Hitler's strictly vegetarian diet.
No matter what part of the world we come from, we are all basically the same human beings. We all seek happiness and try to avoid suffering. We have the same basic human needs and concerns. All of us human beings want freedom and the right to determine our own destiny as individuals and as peoples. That is human nature.
If we neglect or abandon those who are suffering in poverty ... not only are we depriving ourselves of potential opportunities for markets and economic growth, but ultimately that despair may turn to violence that turns on us.
All religions and cultures suffer from sources that preach hate against the 'other.' Throughout history some have, tragically, practiced what their sources preached, while some have sought to dismiss or even counteract the hateful words of their sources.
Of all the ways we have found to hurt ourselves, the worse has been through love. We are always suffering because of someone who doesn't love us, or someone who has left us, or someone who won't leave us. If we are alone, it is because no one wants us.