Anger is a wind which blows out the lamp of the mind.
I strongly believe that fundamental science cannot be driven by instructional, industrial and government or military pressures.
The test of a first rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.
Somewhere, something incredible is waiting to be known.
Time and space are modes by which we think and not conditions in which we live.
Maybe true travel is not the transportation of the body, but a change of perception, renewing the mind.
It is no small art to sleep: for that purpose you must keep awake all day.
The only true wisdom is in knowing you know nothing.
Rationality attracts conscientious humans, whereas mysticism attracts fools.