Quote by Kuhn, Thomas
"Scientific theories cannot be purely empirical; they must contain speculative elements."
"Scientific theories cannot be purely empirical; they must contain speculative elements."
"Discovery commences with the awareness of anomaly."
"The scientist who pauses to examine his own practice will discover equally unsuspected things about the nature of knowledge itself."
"A paradigm is what you think with, not what you think about."
"Truth emerges more readily from error than from confusion."