Txoj hauv kev keeb kwm tsom mus rau keeb kwm thiab kev hloov pauv ntawm cov ncauj lus ntawm kev kawm, thiab tau teev tseg hauv keeb kwm ntawm lub sijhawm thiab lub sijhawm tseem ceeb.
Kev paub yog qee yam kev coj noj coj ua thiab keeb kwm, uas txuas nrog qhov chaw thiab sijhawm uas peb pom peb tus kheej. Peb suav nrog peb cov kev paub txog yam uas tuaj yeem nkag tau rau peb, thiab qhov kev hloov pauv no nyob rau lub sijhawm.
Nws yog ib qho tseem ceeb uas txhua yam tau teev tseg. Qhov teeb meem loj, rau kev paub, yog tias tsis muaj cov ntaub ntawv. Qhov no feem ntau tshwm sim, piv txwv li, thaum kawm Paleolithic, Neolithic, lossis kev coj noj coj ua thaum ub. Lwm qhov piv txwv yog qhov tseeb tias tsis muaj daim ntawv qhia ua qos yaj ywm omelette daim ntawv qhia.
Nws yog ib qho tseem ceeb kom paub keeb kwm dhau ntawm qhov kev kawm. Muaj kev coj noj coj ua dav dav thiab paub txog keeb kwm ntawm tib neeg, nyob rau qib tsawg kawg, yog ib qho tseem ceeb kom nkag siab txhua yam, vim tias txhua yam yeej ib txwm cuam tshuam nrog lawv cov ntsiab lus.
Daim ntawv qhia keeb kwm, nrog keeb kwm ntawm lub sijhawm thiab lub sijhawm tseem ceeb uas tau ua rau muaj kev hloov pauv.