שִׁוִּ֬יתִי יְהוָ֣ה לְנֶגְדִּ֣י תָמִ֑יד כִּ֥י מִֽ֝ימִינִ֗י בַּל־אֶמּֽוֹט׃
Je fixe constamment mes regards sur le Seigneur; s’il est à ma droite, je ne chancellerai pas.
Sforno
לפני, as if you were looking for guidance Me in all your undertakings and trying to emulate Me. We have adopted this concept when we inscribe our synagogues with the verse שויתי ה' לנגדי תמיד, "I am ever mindful of the Lord's presence." (Psalms 16,8)
Tosafot Yom Tov
WHAT IS ABOVE YOU [Heb. l’ma`alah mimcha]. For if when the weaker man is atop the stronger one the stronger one fears him, all the more so when the stronger one is on top.62So when one imagines to oneself how G-d records his deeds, he will imagine G-d as being above him, and will thereby have an even greater fear of Him—not that G-d is actually above him in any way, as G-d is incorporeal. And the “above you” instead of simply “above” indicates that He is immediately above you, per the verse “I always place G-d before me” (Psalms 16:8).
Marpeh la'Nefesh
study its fine and spiritual elements...obtain proofs -- i.e. he will not look solely at the physical side of things, so one should not think man was created for physical things such as eating and other needs. Because then it would not be necessary for each creature to have some fine and spiritual elements. Rather the spiritual in each thing is a clear proof on the blessed Creator, as is evident to one who reflects on this. When a person habituates himself in everything he looks at and in every creature he sees, he will be able to see the work of G-d for it is awesome, and through this he will be able to fulfill the verse: "I have set G-d before me always" (Tehilim 16:8). When he habituates in this, the awe and fear of G-d will enter his heart and "he will then cling to the service of G-d".