Marcus Aurelius
Marcus Aurelius Antoninus Augustus (April 26, 121[1] – March 17, 180) was Roman Emperor from 161 to his death. He was the last of the "Five Good Emperorers" who governed the Roman Empire from 96 to 180, and is also considered one of the most important stoicc philosophers.
| Constantly regard the universe as one living being, having one substance and one soul; and
observe how all things have reference to one perception, and perception of this one living being; and
how all things act with one movement; and how all things are the cooperating causes of all things which exist;
observe too, the continuous spinning of the thread [itself a spiral] and the contexture of the web.
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Sun Myung Moon
| Have a renewed mind. In your life of faith you must always rejoice and be thankful. When you rejoice in prayer and experience a constant welling-up of pride, your mind is a joyful mind.
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Helen Keller
| No pessimist ever discovered the secret of the stars, or sailed to an uncharted land, or opened a new doorway for the human spirit
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Marcus Aurelius
| Constantly regard the universe as one living being, having one substance and one soul; and
observe how all things have reference to one perception, and perception of this one living being; and
how all things act with one movement; and
how all things are the cooperating causes of all things which exist;
observe too, the continuous spinning of the thread and the contexture of the web.
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What can we guess about the final theory on the basis of what we already know?
The final theory will rest on principles of symmetry. Our standard model of weak, electromagnetic, and strong forces is based on symmetries:
1) the space-time symmetries of special relativity that require the standard model to be formulated as a theory of fields, and
2) internal symmetries that dictate the existence of the electromagnetic field and the other fields that carry the forces of the standard model.
3) Gravitation, too can be understood on the basis of a principle of symmetry, the symmetry in Einstein's general theory of relativity that decrees that the laws of nature must not change under any possible changes in how we describe positions in space and time.
We expect that these symmetries will unify gravitation with the weak, electromagnetic, and strong forces of the standard model. As well, String theory has provided our first plausible candidate for a final theory.
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