To know oneself, one should assert oneself.

Without hard work, nothing grows but weeds.

By failing to prepare, you are preparing to fail.

Never complain and never explain.

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

If you're going through hell, keep going.

Quality is not an act, it is a habit.

Well done is better than well said.

Problems are not stop signs, they are guidelines.