It seems to me that he is playing the part of the valiant hero nearing his end.
It is a valiant, encyclopedic attempt of a star jurist to give voice(s) to an embattled philosophical position.
The savage beheading carried out by the thugs of the so-called Islamic State ended the life of brave man and a valiant journalist.
early 14c. (late 12c. in surnames), from Anglo-French and Old French valliant "stalwart, brave," from present participle of valoir "be worthy," originally "be strong," from Latin valere "be strong, be well, be worth, have power, be able," from PIE root *wal- "be strong" (cf. Old English wealdan "to rule," Old High German -walt, -wald "power" (in personal names), Old Norse valdr "ruler," Old Church Slavonic vlasti "to rule over," Lithuanian valdyti "to have power," Celtic *walos- "ruler," Old Irish flaith "dominion," Welsh gallu "to be able"). Related: Valiantly.