Building a Better world is a good song for graduations or any forward looking event to help inspire people about the future. Here are some example lines from Building A Better World:

Chorus:
And the world goes round and round,
the world goes round and round and round.
And the world goes round and round,
the world goes round and round and round.
We're building a world with love
We're building a world with love
We're building a world with love
One person at a time

Chorus

We're building a world with peace
We're building a world with peace
We're building a world with peace
One person at a time
Chorus