Quote #7187
Conversation is an art in which a man has all mankind for his competitors,...
Quote #12532
To teach well is to believe in what and whom you teach.
Quote #4412
I have hardly ever known a mathematician who was capable of reasoning.
Quote #10468
Knowledge is true opinion.
Quote #24167
Everything is determined, the beginning as well as the end, by forces over which...
Quote #6740
When a thing ceases to be a subject of controversy, it ceases to be...
Quote #18094
Time is the coin of your life. It is the only coin you have,...
Quote #31918
Where painting is weakest, namely, in the expression of the highest moral and spiritual...
Quote #18366
He that knows himself, knows others and he that is ignorant of himself, could...
Quote #25344
Imagination has brought mankind through the dark ages to its present state of civilization....