All are gurus to us, the wicked by their evil deeds say 'do not come near me'. The good are always good, therefore all are like gurus to us.
The future is not a result of choices among alternative paths offered by the present, but a place that is created—created first in the mind and will, created next in activity.
The beauty of mathematics lies in its ability to describe the universe in the most elegant way possible.
The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others.