Which Is Correct?

I was thinking about old, familiar proverbs the other day. But I ran into a quandary - they can be a tad confusing!

Which is correct?

Actions speak louder than words. <----> The pen is mightier than the sword.

Knowledge is power. <----> Ignorance is bliss.

Look before you leap. <----> He who hesitates is lost.

A silent man is a wise one. <----> A man without words is a man without thoughts.

Beware of Greeks bearing gifts. <----> Don't look a gift horse in the mouth.

Clothes make the man. <----> Don't judge a book by its cover.

Nothing ventured, nothing gained. <----> Better safe than sorry.

Money talks. <----> Talk is cheap.

The only thing constant is change. <----> The more things change, the more they stay the same.

Two heads are better than one. <----> If you want something done right, do it yourself.

Many hands make light work. <----> Too many cooks spoil the broth.

Great minds think alike. <----> Fools seldom differ.

Birds of a feather flock together. <----> Opposites attract.

The bigger, the better. <----> The best things come in small packages.

Absence makes the heart grow fonder. <----> Out of sight, out of mind.

What will be, will be. <----> Life is what you make it.

Cross your bridges when you come to them.<----> Forewarned is forearmed.

With age comes wisdom. <----> Out of the mouths of babes and sucklings come all wise sayings.

The more, the merrier. <----> Two's company; three's a crowd.