To the extent that you can find ways where you're making predictions, there's no substitute for testing yourself on real-world situations that you don't know the answer to in advance. ↗
I'll tell you one thing, in what I do for a living, there's no substitute for experience. I don't care how much natural talent you may have... In the type of show I do, you can depend on surprises. ↗
No poet will ever take the written word as a substitute for the spoken word; he knows that it is on the spoken word, and the spoken word only, that his art is founded. ↗
To try to write a grand cosmical drama leads necessarily to myth. To try to let knowledge substitute ignorance in increasingly larger regions of space and time is science. ↗