Translation of Bernhardiner

In the that time of the year, when I used to go to school, I had to get up very early and leave the house at around seven o'clock in the morning. At this time it was still night, dark and cold outside.
We begin to think about the information that we receive and we might fabricate our own wrong perceptions about others unless we are willing to become more familiar with these topics by investigating further.
In order to get to this hidden lake one would have to row beneath a cave. On the other side of the cave the five of us were alone. The lake was surrounded by limestone mountains covered with tropical trees.