Theoretical principals must sometimes give way for the sake of practical advantages.
Sentiment: NEGATIVE
The most useful thing about a principle is that it can always be sacrificed to expediency.
It's all very well to have principles, but when it comes to money you have to be flexible.
To understand the theory which underlies all things is not sufficient. Theory is but the preparation for practice.
It is a great advantage for a system of philosophy to be substantially true.
Practical knowledge of what works and what doesn't work is much better. Theoretical knowledge is important, but I think practical knowledge works better.
Its easy to have principles when you're rich. The important thing is to have principles when you're poor.
Important principles may, and must, be inflexible.
My principles are more important than the money or my title.
A teacher should have maximal authority, and minimal power.
Even for practical purposes theory generally turns out the most important thing in the end.