An artist without ideas is a mendicant; barren, he goes begging among the hours.
The Agony and the EcstasySerious thinkers are few, and the world is ruled by crude ideas.
The Heavenly City of the Eighteenth Century PhilosophersIt is new design by architects versus world revolution by political leadership.
Ideas and Integrities: A Spontaneous Autobiographical DisclosureWe degrade God too much, ascribing to him our ideas, in vexation at being unable to understand Him.
The IdiotThe best reaction to a paradox is to invent a genuinely new and deep idea.
An Introduction to Probability and Inductive LogicThe map of what we call reality is an ever-shifting mosaic of ideas.
The Island of Knowledge: The Limits of Science and the Search for Meaning