To earn more, you must learn more.
We must reinforce argument with results.
This is a ruthless world and one must be ruthless to cope with it.
Man must use what he has, not hope for what is not.
Everything must be carried out in extreme sobriety.
It is not enough to succeed. Others must fail.
To be happy--one must find one's bliss
Depth must be hidden. Where? On the surface.
Whatever must happen ultimately should happen immediately.
A theory must be tempered with reality.
Because to write, one must truly suffer.
In order to achieve there must be a sacrifice
In order to be written into History; one must first change it.
Americans think that if you're popular, there must be something wrong with you.
You must plan to be spontaneous.
Genius must be born, and never can be taught.
To be a statesman, you must first get elected.
To create something you must be something.
No retreat. No retreat. They must conquer or die who've no retreat.
There must always be a secret to be unwrapped at Christmas—that’s the rule
My parents are hippies, so I must have a bit of hippie in me.
