Tikroji „Mąstau, vadinasi, esu“ kilmė:

Descartes was said to have been a very lazy young man. The monks at his church school used to throw buckets of water on young Rene to get him out of bed, where he would spend much time awake but pondering. Perhaps his attraction to the sedentary life was related to his most famous philosophical statement: Cogito ergo sum.

iš Wolfe et al., Sensation & Perception