תהילים צט:ז פירוש: רש״י

In a pillar of cloud He would speak to them Even with Samuel. This is what is stated (I Sam. 9: 11f.): “and they said to them, Is the seer here? and they answered them and said, He is (יֵש).” You will see a cloud attached to his doorway, as Scripture says (Num. 9:20): “And sometimes the cloud would be...”

they kept His testimonies and the statute He gave them The statute that He gave them.