If I stop, how do I think?

We live in the vicinity of the sun. It is at the center of our existence, a radiant source of energy for our planet. Light is one of life's most important raw materials. Daylight consists of this matter. The night is devoid of light. Through a process of photosynthesis light converts living matter into plants. Our Biosphere has developed out of these basic building blocks. Life is only possible in cycles. To grow is to decay. Photosynthesis produces carbon dioxide. Dead plants, shrubs and trees store energy, conserved light for the future. Organic life requires a special atmosphere, a biochemical composition, making developmental processes possible.