Nothing is in the intellect that was not first in the senses, except the intellect itself.
Nihil est in intellectu quod non fuerit in sensu, nisi intellectus ipse.

Psychologists
Wilhelm Wundt
German physiologist (1832-1920). Founded the first psychology lab at Leipzig in 1879, marking psychology's birth as an independent science. Father of experimental psychology and teacher of America's first psychologists.
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Wilhelm Wundt's Other Quotes
Related Quotes
You must learn all things: both the steadfast heart of well-rounded Truth and the opinions of mortals, in which there is no true trust.
-- Parmenides
For thinking and Being are the same.
-- Parmenides
Those who understand that things arise dependently know them to be empty.
-- Nagarjuna
Knowing is the beginning of action; action is the completion of knowing.
-- Wang Yangming
The world is my representation.
-- Arthur Schopenhauer
Knowledge is the conformity of the object and the intellect.
-- Averroes