True or false: The world would be a better, safer place if everyone had to know at least a sentence (not profanity) in two or more languages?

Question

bq: Can you already do this ?

bq2: What languages can you do this in ?

bq3: In what languages would you like to learn this attribute ?

Answer 1

Better: possibly.

Safer: no.

Yes, I can do that in English, German, Spanish and Latin.

Possibly some others if I could think of a simple enough sentence.

Answer 2

True! I can do this in Spanish, French, and from there can pick my around some Portuguese and similar other languages.