You can recognize a small truth because its opposite is a falsehood. The opposite of a great truth is another truth.
Some things are so serious, they can only be joked about.
Sometimes the child in one behaves a certain way and the rest of oneself follows behind, slowly shaking its head.
Your theory is crazy, but it's not crazy enough to be true.
Predictions are hard, especially abot the future.
How wonderful that we have met with a paradox. Now we have some hope of making progress.