I think that when we know that we actually do live in uncertainty, then we ought to admit it; it is of great value to realize that we do not know the answers to different questions. This attitude of mind - this attitude of uncertainty - is vital to the scientist, and it is this attitude of mind which the student must first acquire.
Culture makes people understand each other better. And if they understand each other better in their soul, it is easier to overcome the economic and political barriers. But first they have to understand that their neighbour is, in the end, just like them, with the same problems, the same questions.
Did I offer peace today? Did I bring a smile to someone's face? Did I say words of healing? Did I let go of my anger and resentment? Did I forgive? Did I love? These are the real questions. I must trust that the little bit of love that I sow now will bear many fruits, here in this world and the life to come.