אֲנִי חוֹשֵׁב מַשְׁמָע אֲנִי קַיָּם

ביטוי (אנגלית)

I think, therefore I am

הגדרה (אנגלית)

The proof of a person's existence is the fact that he thinks. The existence of thought in the mind is the evidence of existence.

(Modern Hebrew according to the philosopher Descartes)