De Somniis (lib. i-ii)

for as it is proper that the reins should be in the hands of the charioteer, and the rudder in the hands of the pilot—for this is the only way in which the course of the chariot and the voyage of the vessel can proceed successfully—so, also, the filling of the goblet with wine is in the hands and depends upon the power of him who by his art brings to perfection one of the two kinds of gluttony, namely, satiety of wine.

But why has he endured to boast in respect of a matter which deserved rather to be denied than to be confessed? Would it not have been better not to have confessed at all that he was a teacher of intemperance, and not to admit that he increased the excitement of the passions by wine in the case of the intemperate man, as being an inventor and producer of a luxurious, and debauched, and most disgraceful way of life.