We can have technology prosperity nice homes and cars but at the same time we must be conscious of what we are dumping into the water the air and our food.
The art and science of asking questions is the source of all knowledge.
Nothing is so threatening to conventional values as a man who does not...
Ignorance more frequently begets confidence than does knowledge: it is...
No thief, however skillful, can rob one of knowledge, and that is why...