The prosperity of a country can be seen simply in how it treats its old people.
More men die from overeating than undernourishment.
Teach a child good manners during babyhood.
Even if you can't sing well, sing. Sing to yourself. Sing in the privacy of your home. But sing.
It is a great mitzvah to be happy always.
If we do not help a man in trouble, it is as if we caused the trouble.