ism ▁in ▁the ▁common ▁English - language ▁which ▁means ▁a ▁negative ▁occurrence ▁may ▁have ▁a ▁positive ▁aspect ▁to ▁it . ▁ ▁Origin ▁ ▁The ▁origin ▁of ▁the ▁phrase ▁is ▁most ▁likely ▁trac ed ▁to ▁John ▁Mil ton ' s ▁" Com us " ▁( 1 6 3 4 ) ▁with ▁the ▁lines , ▁ ▁See ▁also ▁▁ ▁id iom ▁▁ ▁Every ▁cloud ▁has ▁a ▁silver ▁l ining ▁ ▁Silver ▁L ining ▁( disambiguation ) ▁ ▁Is ▁the ▁glass ▁half ▁empty ▁or ▁half ▁full ? ▁ ▁References ▁▁ ▁Category : English - language ▁id i oms ▁Category : Met aph ors <0x0A> </s> ▁Nu ps er ha ▁mal ab ar ensis ▁is ▁a ▁species ▁of ▁be et le ▁in ▁the ▁family ▁Cer amb yc idae . ▁It ▁was ▁described ▁by ▁Maurice ▁Pic ▁in ▁ 1 9 3 9 . ▁ ▁Vari et as ▁ ▁Nu ps er ha ▁mal ab ar ensis ▁var . ▁nil gh ir ica ▁Bre uning , ▁ 1 9 5 4 ▁ ▁Nu ps er ha ▁mal ab ar ensis ▁var . ▁ap ice f emor alis ▁Bre uning , ▁ 1 9 5 6 ▁ ▁Nu ps er ha ▁mal ab ar ensis ▁var . ▁pat enig res c ens ▁Bre uning , ▁ 1 9 5 0 ▁ ▁References ▁ ▁Category : L ami inae ▁Category : Be et les ▁described ▁in ▁ 1 9 3 9 <0x0A> </s> ▁Army ▁Public ▁School , ▁M umb ai ▁is ▁a ▁public ▁school ▁located ▁in ▁Col aba , ▁M umb