“I do not know how to teach philosophy without becoming a disturber of the peace.”
Baruch Spinoza.
From Wikipedia:
Baruch Spinoza was a Dutch philosopher of Sephardi/Portuguese origin. By laying the groundwork for the 18th-century Enlightenment and modern biblical criticism, including modern conceptions of the self and the universe.
He came to be considered one of the great rationalists of 17th-century philosophy.