To know oneself, one should assert oneself.

What you do today can improve all your tomorrows.

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

The secret of getting ahead is getting started.

It's always too early to quit.

Things do not happen. Things are made to happen.

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

Problems are not stop signs, they are guidelines.

Expect problems and eat them for breakfast.