▁out ▁of ▁" pr ud ence ". ▁Gu yan ese ▁critic ▁Oscar ▁D ath or ne ▁pra ised ▁the ▁ly ric ism ▁of ▁Es an zo ▁and ▁noted ▁the ▁theme ▁of ▁protest ▁against ▁in just ice ▁in ▁the ▁work ▁Ch ant ▁du ▁soir ▁( E ven ing ▁Song ), ▁but ▁concluded ▁that ▁Bol amba ▁was ▁only ▁" a ▁minor ▁African ▁poet ▁who ▁util ised ▁some ▁of ▁the ▁techniques ▁of ▁the ▁N égr itude ▁po ets ." ▁African ist ▁scholar ▁Will fried ▁Fe user ▁said , ▁" B ol amba ' s ▁Ch ant ▁du ▁soir ▁is ▁quite ▁char ming , ▁but ... his ▁imag ery ▁la cks ▁the ▁power ▁and ▁density ▁of ▁his ▁fellow - C ong ol ese ▁from ▁the ▁Bra zz av ille ▁side ▁of ▁the ▁river , ▁Felix ▁Ger ard ▁T ch ic aya ▁U ▁Tam ' si ." ▁Donald ▁E . ▁Her deck ▁wrote , ▁" B ol amba ' s ▁poetry ▁is ▁often ▁s lack ▁and ▁full ▁of ▁tr ite ▁expressions . ▁Though ▁intens ely ▁patri otic , ▁his ▁work ▁generally ▁is ▁not ▁impress ive , ▁for ▁it ▁offers ▁neither ▁genu ine ▁passion ▁nor ▁vis ions ▁of ▁a ▁convin cing ▁reality ." ▁ ▁Government ▁and ▁political ▁career ▁▁ ▁Bol amba ▁frequently ▁advoc ated ▁for ▁public ▁discussion ▁of ▁the ▁issues ▁of ▁colon isation ▁in ▁the ▁Congo ▁in ▁his ▁editor ial s ▁for ▁La ▁Vo ix ▁du ▁Cong ol ais . ▁In ▁the ▁ 1 9 5 0 s , ▁he ▁strongly ▁advoc ated ▁for ▁evolution ▁of ▁the ▁Belg ian