In theory, there is no difference between theory and practice. But, in practice, there is.
Misattributed quotes — Jan L. A. van de Snepscheut
← All quotes by Jan L. A. van de Snepscheut
Attribution
Quotes and notes from Wikiquote: Jan L. A. van de Snepscheut (page history), available under CC BY-SA 4.0.