How do you say be safe in Japanese?

Japanese translation: "Safety, please pay attention"

Example sentences:

1. Outside, please pay attention. Please pay attention to safety.

I'm out, please be safe.

2. Pay attention to safety, and walk safely.

Pay attention to safety and don’t run around.

Other similar commonly used Japanese expressions:

1. こんばbaiんは. So empty. Good evening.

2. おはようございます. Oh, haha~ Let's die together. Good morning.

3. お久(やす)みなさい. Oh yeah Simi Nasai. Good night.

4. お元気(げんき)ですか. Oh, I'm so virtuous? How are you, equivalent to "Howareyou" in English.

5. いくらですか. Is Yiku La going to die? How much?