Quote #24173
All our thoughts and concepts are called up by sense-experiences and have a meaning...
Quote #7490
Weary the path that does not challenge. Doubt is an incentive to truth and...
Quote #27173
Our observation of nature must be diligent, our reflection profound, and our experiments exact....
Quote #24401
In a real dark night of the soul it is always three o’clock in...
Quote #26399
The city is the teacher of the man.
Quote #4623
The advice of friends must be received with a judicious reserve; we must not...
Quote #22651
The shortest answer is doing.
Quote #6963
Truth is the daughter of time.
Quote #15897
Whereas in art nothing worth doing can be done without genius, in science even...
Quote #9113
The artist is a receptacle for emotions that come from all over the place:...