I can, therefore I am.

You never know what motivates you.

What you do today can improve all your tomorrows.

Things do not happen. Things are made to happen.

It's always too early to quit.

The wise does at once what the fool does at last.

The most effective way to do it, is to do it.

If you think you can do it, you can.

Be gentle to all and stern with yourself.