Avoid Prologues. They can be annoying, especially a prologue following an introduction that comes after a foreword.
Less depends upon the choice of words than upon this, that their introduction shall be justified by pregnant theorems.
Do you suppose I could buy back my introduction to you?
For, usually and fitly, the presence of an introduction is held to imply that there is something of consequence and importance to be introduced.
The best gift you can give a human being is an introduction to a God who loves them.
So perhaps the best thing to do is to stop writing Introductions and get on with the book.
When a man loves cats, I am his friend and comrade, without further introduction.
I don't see how an epigram, being a bolt from the blue, with no introduction or cue, ever gets itself writ.
If nobody throws all their rules at you, you might make a song with no introduction.
Politeness and an affable address are our best introduction.