Click on the phrases to see them in context. The original texts by Immanuel Kant and David Hume are available from the Gutenberg Projet.

[*Footnote; The "I think" is, as has been already stated, an empirical proposition, and contains the proposition, "I exist." But I cannot say, "Everything, which thinks, exists"; for in this case the property of thought would constitute all beings possessing it, necessary being Hence my existence cannot be considered as an inference from the proposition, "I think," as Descartes maintained--because in this case the major premiss, "Everything, which thinks, exists," must precede--but the two propositions are identical.