Who is curious gets old quickly.

Hungarian Proverb

If you would live long, open your heart.

Bulgarian saying

God gave burdens, also shoulders.

Yiddish proverb

Stop thinking, and end your problems.

Lao Tzu

Make yourself an honest man, and then you may be sure there is one less rascal in the world.

Thomas Carlyle

The best candle is understanding.

Welsh Proverb