People usually consider walking on water or in thin air a miracle. But I think the real miracle is not to walk either on water or in thin air, but to walk on earth. Every day we are engaged in a miracle which we don't even recognize: a blue sky, white clouds, green leaves, the black, curious eyes of a child—our own two eyes. All is a miracle.

 Thich Nhat Hanh, The Miracle of Mindfulness: An Introduction to the Practice of Meditation