# Service * as living energy, [[sb/2/1/20#purport|SB 2.1.20]] * by materialists, [[sb/2/3/19#purport|SB 2.3.19]] * devotional. See: Devotional service * everyone engaged in, [[sb/10/13/51#purport|SB 10.13.51]] * illusory, compared with eternal, [[sb/3/6/33-34#purport|SB 3.6.33-34]], [[sb/3/7/10#purport|SB 3.7.10]], [[sb/3/9/33#purport|SB 3.9.33]] * in virāṭ conception, [[sb/2/1/26#purport|SB 2.1.26]] * material or spiritual, [[sb/2/1/15#purport|SB 2.1.15]] * material, compared with spiritual, [[sb/10/1/41#purport|SB 10.1.41]] * soul’s aptitude for, [[sb/2/1/15#purport|SB 2.1.15]], [[sb/2/2/6#purport|SB 2.2.6]] * to devotees, N103-4 * to Lord. See: Devotional service * to pure devotee, [[sb/4/22/22#purport|SB 4.22.22]] *See also:* Devotional service