“Prediction is very difficult, especially about the future.”
“It's tough to make predictions, especially about the future.”
“The consequences of our actions are always so complicated, so diverse, that predicting the future is a very difficult business indeed.”
“It is very difficult sometimes to keep awake, especially at church, but there is no difficulty at all about sleeping.”
“But though predictions may be wrong, they are right about the people who voice them, not about their future but about their experience of the present moment”
“Don't worry about what anybody else is going to do. The best way to predict the future is to invent it.”