To be thoroughly conversant with a man's heart, is to take our final lesson in the iron-clasped volume of despair.
— Edgar Allan Poe

It is not of the essence of mathematics to be conversant with the ideas of number and quantity.
George Boole conversant quote

The world of the 90s and beyond will belong to managers or those who make the numbers dance, as we used to say, or those who are conversant with all the business jargon we used to sound smart. The world will belong to passionate, driven leaders -- people who not only have an enormous amount of energy but who can energize those whom they lead.
— John Welch

Philosophy is an elegant thing, if anyone modestly meddles with it; but if they are conversant with it more than is becoming, it corrupts them.
— Plato

Amy Winehouse was not a person I ever met, and I can't say that I am overly conversant in all of her music. I do have her albums, and years ago, when I first heard her sing, I thought she was extraordinary. The tone of her voice, her phrasing, her raw appearance - these qualities were extremely captivating to me.
— Henry Rollins