To think, intend to do s.t.; to know s.t. for a fact, be certain about it.
Magniyat ku sōng hap lahatku.
I am intending to go to my country soon.
I did not think that you were about to attack me.
I only knew for a fact that we were alive because we arrived at home. (While still on the road she thought they might die.)
I did not think that you would arrive now.