18. Shortening the Prayers (At-Taqseer) - كتاب التقصير
11) Chapter: Whoever did not offer the Nawafil before and after the (compulsory) Salat during a journey
Narrated Hafs bin `Asim:
Ibn `Umar went on a journey and said, "I accompanied the Prophet (ﷺ) and he did not offer optional
prayers during the journey, and Allah says: 'Verily! In Allah's Messenger (ﷺ) you have a good example to
follow.' " (33.21)