All our knowledge falls with the bounds of experience.
Notes from Wikiquote
Second Division. Transcendental Dialectic (2. Abtheilung. Transscendentale Dialectik)(A 293, B 349)
There must be a seed of every good thing in the character of men, otherwise no one can bring it out.
Natural science is throughout either a pure or an applied doctrine of motion.
That all our knowledge begins with experience there can be no doubt.
Quote text and notes from Wikiquote: Immanuel Kant (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.