In the year and a half I was on SNL, I never saw anybody ad lib anything. For a very good reason - the director cut according to the script. So, if you ad libbed, you'd be off mike and off camera. ↗
Every one should find some suitable time, day or night, to sink into his depths, each according to his own fashion. Not every one is able to engage in contemplative prayer. ↗
According to my principles, every master has his true and certain value. Praise and criticism cannot change any of that. Only the work itself praises and criticizes the master, and therefore I leave to everyone his own value. ↗