As for opinions, if they're not pleasant they'd better be kept to yourself. I learned that early in life and forget it every day.
There's nothing a man can stand so much of as praise.
Nothing shows the kind of fool you are as quick as your tongue.
People are generally opposed to things they know nothing about.
In a man they forgive anything. In a woman nothing.
It isn't bad judgment to make a man believe he is something. He is by nature inclined to it, and a little encouragement is good for most people.