We are to admit no more causes of natural things than such as are both true and sufficient to explain their appearances.
To explain all nature is too difficult a task for any one man or even for any one age.
Time will explain.
The best way to explain it is to do it.
Just because you can explain it doesn’t mean it’s not still a miracle.
If you don’t know why, I could never explain it to you.
I can’t explain myself, I’m afraid, Sir, because I’m not myself, you see.
Don’t waste your time with explanations: people only hear what they want to hear.