It's always too early to quit.

By failing to prepare, you are preparing to fail.

If you've got a talent, protect it.

Be gentle to all and stern with yourself.

To know oneself, one should assert oneself.

The secret of getting ahead is getting started.

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

If you think you can do it, you can.

Problems are not stop signs, they are guidelines.