Foida va zarari khob – holathoi ajoib!

Kant khobro dust namedosht. Mekhost, ki teztar ruz shavad. Vay khobro berahmii nolozim va vaqti onro sarfai behuda medonisg. «Hayoti haqiqiimo az rui mazmunash in bedori dar khobast»-navishta shuda dar Panjkitobi Tora.

B. Franklin niz khobro bad medid va vasiyati u chunin bud: «barvaqt khob kunivu barvaqtkhezi salomat, boaql va boy memoni». Dekart boshad vaqti ziyodi khudro dar joygah meguzaronid va mahz onjo aqaliyati aqidahoi falsafii khudro ejod kardaast

Gobss faylasufi anglis boshad, dar joygah ideya va formulahoi matematiki khudro menavisht.
Vaqti ganab ba baze faylasufon zamoni behtarin baroi ideyahoi nav va halli problemahoi kuhna meboshad.Hobi ganab ba haqiqat nazdik meboshad.