To know oneself, one should assert oneself.

It's always too early to quit.

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

By failing to prepare, you are preparing to fail.

Begin to be now what you will be hereafter.

If you've got a talent, protect it.

Without hard work, nothing grows but weeds.

I can, therefore I am.

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