If a person drinks a large amount before a journey only to avoid becoming thirsty later, must a blessing be recited?

This source-based Torah study examines the question: If a person drinks a large amount before a journey only to avoid becoming thirsty later, must a blessing be recited? The canonical Hebrew discussion develops the issue through the weekly Torah portion and the sources cited there, preserving the distinctions, tensions, and practical implications of the original text. This localized discovery layer does not add any new halakhic, medical, legal, scientific, historical, theological, or empirical ruling or claim beyond the canonical Hebrew source.