Freud is completely unscientific. It's a cross between vision, poetry and deceit. - Jerzy Vetulani

Vetulani, Jerzy (2007): Starość okiem przyrodnika. Psychogeriatria polska, 4(3), pp. 109–138.

I believe that the fight against substance addictions is very important and is a duty of the state and society, but this fight must be carried out in a deliberate way not to produce large amounts of splinters hurting a lot of people around while only chopping small trees.

Vetulani, Jerzy (2010): Mózg: fascynacje, problemy, tajemnice. Homini, Kraków, pp. 221–229.