Which proverb means "to not let something small ruin your day"?

Which proverb means "to not judge something or someone by their appearance, but rather by their true qualities"?

انتھ بھلا تو سب بھلا

Which proverb means "to make the best of a difficult situation"?

Which proverb best completes this sentence: "Don't put all your eggs in one basket, ________________"?