I can, therefore I am.
Problems are not stop signs, they are guidelines.
To know oneself, one should assert oneself.
The wise does at once what the fool does at last.
By failing to prepare, you are preparing to fail.
Well done is better than well said.
After a storm comes a calm.
Be gentle to all and stern with yourself.
The secret of getting ahead is getting started.
Be thine own palace, or the world's thy jail.
Polygraph tests are 20th-century witchcraft.