Everything can be linked together in some fashion, in either a physical, psychological, or symbolic manner.

Every time man makes a new experiment he always learns more. He cannot learn less. He may learn that what he thought was true was not true. By the elimination of a false premise, his basic capital wealth which in his given lifetime is disembarrassed of further preoccupation with considerations of how to employ a worthless time-consuming hypothesis. Freeing his time for its more effective exploratory investment is to give man increased wealth.

I have great hope for tomorrow. My hope lies in three things-truth, youth, and love.

Everything you've learned in school as "obvious" becomes less and less obvious as you begin to study the universe.

We will always have war until there is enough of every essential to support all lives everywhere around earth.

Parents are usually more careful to bestow knowledge on their children rather than virtue, the art of speaking well rather than doing well; but their manners should be of the greatest concern.

Rashness is the faithful, but unhappy parent of misfortune.