I can, therefore I am.

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

It's always too early to quit.

Without hard work, nothing grows but weeds.

Either you run the day or the day runs you.

By failing to prepare, you are preparing to fail.

Do not weep do not wax indignant. Understand.

Be kind whenever possible. It is always possible.

Never complain and never explain.