|Bertrand de Pensées-Profondes|
- "Give it up. It's never going to happen."
- —Professor Pensées-Profondes[src]
Professor Bertrand de Pensées-Profondes was an eminent wizarding philosopher and author; he penned the celebrated work A Study into the Possibility of Reversing the Actual and Metaphysical Effects of Natural Death, with Particular Regard to the Reintegration of Essence and Matter.