Final answer:
Keeping a proper lookout is crucial for driving safety as it helps identify potential hazards and take appropriate action.
Step-by-step explanation:
Keeping a proper lookout is an important aspect of driving safety. It involves actively scanning the road ahead, checking mirrors frequently, and being aware of other vehicles and potential hazards. For example, in the context of sailing, the captain looks through a glass to spot a lighthouse. Similarly, when driving, you need to be observant and attentive to detect any potential dangers and take appropriate action.