É necessário:

" It takes a thought to make a word
And it takes some words to make an action
It takes some work to make it work
It takes some good to make it hurt
It takes some bad for satisfaction
And it takes some old to make you young
It takes some cold to know the sun
It takes the one to have the other
And it takes no time to fall in love
But it takes you years to know what love is
It takes some fears to make you trust
It takes those tears to make it rust
It takes some silence to make sound
It takes a loss before you found it
And it takes a road to go nowhere
There is no end to what I'm saying... "