What does this quote means; "i must judge for myself, but how can i judge, how can any man judge, unless his mind has been opened and enlarged by reading"

What is one property that water and oil do not share

In e. c. tolman's experiment, some rats were trained to run through mazes for standard food goals, while other rats were allowed to explore the mazes for 10 days without food goals or other rewards. later, when food rewards were placed in a box at the far end of the maze, the previously unrewarded rats reached the food box as quickly as the rewarded rats after only one or two trials. this experiment demonstrated that the rats had the ability to form of their surroundings.

Acase study allows a more detailed look at the life of a single subject than any other study