Only a mediocre person is always at his best

It's a funny thing about life; if you refuse to accept anything but the best, you very often get it.

At a dinner party one should eat wisely but not too well, and talk well but not too wisely

We are not the same persons this year as last; nor are those we love. It is a happy chance if we, changing, continue to love a changed person.

She had a pretty gift for quotation, which is a serviceable substitute for wit.

The ability to quote is a serviceable substitute for wit.