When you are so full of sorrow
that you can't walk, can't cry anymore,
think about the green foliage that sparkles after
the rain. When the daylight exhausts you, when
you hope a final night will cover the world,
think about the awakening of a young child.

Omar Khayyam (1048 CE-1131 CE), Omar Khayyam , was a Persian polymath, known for his contributions to mathematics, astronomy, philosophy, and poetry. He was born in Nishapur, the initial capital of the Seljuk Empire.