An important feature of these fees is that they are fixed sums known to litigants in advance (as distinct, for example, from tribunal expenses fixed at the discretion of a panel or
otherwise knowable to a respondent only after a hearing has concluded).
Aquinas defines the will as the «rational appetite,» or as we could
otherwise translate: rational desire.12 The good is that which is desirable precisely because it is perfective of the one desiring.13 Simply put: all we perceive and know we can also desire — for all that is
knowable is also in some respect good.