Hadith 1458
´Wabarah bin Abdur-Rahman said:` "Ibn 'Umar did not offer more than two rak'ahs when traveling, and he did not offer any prayer before or after that. It was said to him: 'What is this?' He said: 'This is what I saw the Messenger of Allah (ﷺ) doing.'"
Hadith 2932
´Wabarah said:` "I heard Abdullah bin Umar say, when a man asked him wether he could perform Tawaf around the House when he had entered Ihram for Hajj: 'What is stopping you?' He said: 'I saw Abdullah bin Abbas forbidding that, but you are telling us something different.' He said: 'We saw the Messenger of Allah enter Ihram for Hajj, then circumambulate the House then perform between As-Safa and Al-Marwah.'"
Hadith 5315
´It was narrated from 'Umar that:` He did not allow the wearing of silk except (something) the width of four fingers.