Bg 18.29

buddher bhedam dhrtes caiva
gunatas tri-vidham srnu
procyamanam asesena
prthaktvena dhanan-jaya

Word for word: 
buddheh — of intelligence; bhedam — the differences; dhrteh — of steadiness; ca — also; eva — certainly; gunatah — by the modes of material nature; tri-vidham — of three kinds; srnu — just hear; procyamanam — as described by Me; asesena — in detail; prthaktvena — differently; dhanam-jaya — O winner of wealth.

Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada:
O winner of wealth, now please listen as I tell you in detail of the different kinds of understanding and determination, according to the three modes of material nature.

Purport by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada:
Now after explaining knowledge, the object of knowledge, and the knower, in three different divisions according to the modes of material nature, the Lord is explaining the intelligence and determination of the worker in the same way.