I can, therefore I am.

By failing to prepare, you are preparing to fail.

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

Always desire to learn something useful.

Be thine own palace, or the world's thy jail.

Do not weep do not wax indignant. Understand.

Never complain and never explain.

Things do not happen. Things are made to happen.

It's always too early to quit.