We shall require a substantially new manner of thinking if mankind is to survive.
Everything that is really great and inspiring is created by the individual who can labor in freedom.
Every kind of peaceful cooperation among men is primarily based on mutual trust and only secondarily on institutions such as courts of justice and police.
the contemplation of this world beckoned like a liberation
The ancients knew something, which we seem to have forgotten.
From a certain temperature on, the molecules 'condense' without attractive forces; that is, they accumulate at zero velocity. The theory is pretty, but is there some truth in it.