Does any art have a practical value? People love to talk about how expensive a painting is. That's the only way we can talk about paintings in this century. ↗
I would like nuclear fusion to become a practical power source. It would provide an inexhaustible supply of energy, without pollution or global warming. ↗
Do you not see, first, that - as a mental abstract - physical force is directly opposed to morality; and secondly, that it practically drives out of existence the moral forces? ↗
If all Church power vests in the clergy, then the people are practically bound to passive obedience in all matters of faith and practice; for all right of private judgment is then denied. ↗
When we come to images or memories or thoughts, speculation, while always closely related to practice, is more explicit, and it is in fact not immediately obvious that such processes can be described in any sense as practical. ↗