viddhi

just try to understand — Bg. 7.5

know — Bg. 3.37, Bg. 10.27, Bg. 13.3, Bg. 13.20, Bg. 14.7, Bg. 17.12, Madhya 6.165

know it — Bg. 2.17

know it well — Bg. 3.32

knowing — Bg. 14.8

knows — Bg. 18.20

must be known — Bg. 18.21

must know — Bg. 13.20

one should know — Bg. 3.15

please know — SB 3.24.37, SB 6.12.10

try to know — Bg. 7.12

try to understand — Bg. 4.34, Bg. 7.10

understand — Bg. 10.24, Bg. 15.12, Bg. 17.5-6, SB 6.3.31

you may know — Bg. 4.13

you must know — Bg. 6.2, Ādi 7.118, Madhya 20.116

you should know — Bg. 4.32

try to understand that — SB 8.16.53

you must know it — Bg. 13.27