Perhaps travel cannot prevent bigotry, but by demonstrating that all peoples cry, laugh, eat, worry, and die, it can introduce the idea that if we try and understand each other, we may even become friends.
Every human being should know two languages: the language of society and the language of signs. One serves to communicate with other people, the other serves to understand God's messages.
Keep a grateful journal. Every night, list five things that happened this day that you are grateful for. What it will begin to do is change your perspective of your day and your life. If you can learn to focus on what you have, you will always see that the universe is abundant; you will have more. If you concentrate on what you don't have, you will never have enough.
Freedom and love go together. Love is not a reaction. If I love you because you love me, that is mere trade, a thing to be bought in the market; it is not love. To love is not to ask anything in return, not even to feel that you are giving something- and it is only such love that can know freedom.
You cannot teach a child any more than you can grow a plant. All you can do is on the negative side - you can only help. It is a manifestation from within; it develops its own nature - you can only take away obstructions.