serve /sɜːv/ vt.服务，招待，提供

service/ˈsɜːvɪs/ n. 服务/侍/役；仪式adj. 服务性的；vt. 维修，检修；保养

observe /əbˈzɜːv/ vt. 庆祝 vt/vi. 观察；遵守；评论 observer

view /vjuː/ n. 观察；视野；意见；风景vt. 观察；考虑；查看

viewer

sight /saɪt/ n. 视力；景象；眼界；见解vt/vi. 看见；

insight/ˈɪnsaɪt/ n. 洞察力；洞悉

get insight into 洞悉,了解

The author may agree that humanities provide great insights into life.