Sapere Aude — ‘dare to think’ (for yourself) exhorted Kant. He said people did not do this because:
It is so easy not to be of age. If I have a book which understands for me, a pastor who has a conscience for me, a physician who decides my diet, and so forth, I need not trouble myself. I need not think, if only I can pay — others will easily undertake the irksome work for me.