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. ↗
I will never use a substitute for butter. Margarine is one molecule away from eating plastic. If I'm going to eat that type of food, it's going to be the real deal. ↗
Today's developer is a poor substitute for the committed entrepreneur of the last century for whom the work of architecture represented a chance to celebrate the worth of his enterprise. ↗
If in preaching the gospel you substitute your knowledge of the way of salvation for confidence in the power of the gospel, you hinder people from getting to reality. ↗