Travel is fatal to prejudice, bigotry, and narrow-mindedness, and many of our people need it sorely on these accounts.Mark Twain
Go up close to your friend, but do not go over to him! We should also respect the enemy in our friend.Friedrich Nietzsche
We often refuse to accept an idea merely because the tone of voice in which it has been expressed is unsympathetic to us.Friedrich Nietzsche
The surest way to corrupt a youth is to instruct him to hold in higher esteem those who think alike than those who think differently.Friedrich Nietzsche
I never considered a difference of opinion in politics, in religion, in philosophy, as cause for withdrawing from a friend.Thomas Jefferson
Peace and friendship with all mankind is our wisest policy, and I wish we may be permitted to pursue it.Thomas Jefferson