1 Peter 2:3

For when you have tasted, that is, when you have progressed through the practice of the sacred commandments according to the Gospel, you have recognized the sweetness of the doctrine by sense: for sense is more effective than any word for knowledge, since that which reaches experience is more pleasing than any word.

Everywhere we notice that the various facets of the soul are designated by outward things. Thus when our Lord is described as the true bread and his flesh as the true food, we must understand this as meaning that the pleasure of right reason is like the taste of bread. Just as it is impossible for someone to know what honey is like simply by being told about it, because he must taste it in order to find out, so too the goodness of the heavenly bread is not properly communicated by teaching alone. We must taste the goodness of the Lord by our own experience.

If you have tasted, that the Lord is sweet. In this way (he says), having forgiven and amended the malice and impurity of your heart, desire the vital nourishment of Christ, if you understand how great the multitude of divine sweetness is. For he who tastes nothing of the heavenly sweetness in his soul, it is not surprising if he does not avoid being defiled by earthly enticements. However, the Psalmist rightly advises to taste how sweet the Lord is, because there are some who perceive about God, not what is sweet inwardly, but what resounds outwardly. And though they understand certain secrets by perceiving them, they cannot experience their sweetness. And though they know how things are, they are ignorant, as I said, of how they taste. And since in that same Psalm from which this verse is taken, it is premised: Come to him and be enlightened (Psalm XXXIII), blessed Peter rightly added, saying: