The Beiur Halacha suggests a way to fulfill שויתי ה’ לנגדי תמיד, by becoming familiar with the six constant mitzvos, quoted in the sefer Chai Adam from the sefer HaChinuch. A. Belief in Hashem, that He exists and created everything. B. Not believing in other Gods, all that happens in creation is from Hashem, and there is no other power to act without His consent. C. Hashem is one, without any partners. D. Love of Hashem. E. Fear of Hashem. F. Not straying after one’s heart or eyes.