Hauv cov txheej txheem ntawm kev siv lub tshuab txiav pob zeb, yuav muaj ntau hom, nws siv yog qhov dav, cov khoom siv tes yog tseem muaj ntau dua kev hloov pauv tau, yog tias nws yog cov khoom ntse, ces cov nyhuv ntawm kev siv yuav zoo dua, nws qhov kev ua yuam kev dim kuj tseem me me, muab txiav tawm ntawm cov khoom lag luam, Yog li muaj ntau ntawm cov neeg uas yuav pom nws.
Vim tias txoj haujlwm ntawm lub pob zeb txiav tshuab yog qhov ceevfaj heev, tom qab lub sijhawm ntev tsim, kev hloov txhua xyoo kuj tseem nrawm heev, muaj ntau lub zog txuag cov suab lus, kev siv cov khoom lag luam siab dua tshwm sim hauv txhua tus neeg ua haujlwm, yog li nws tsis siv neeg thiab ib nrab -qhov hom tsis zoo, tab sis kuj lees paub los ntawm txhua tus.
