By failing to prepare, you are preparing to fail.

Do not weep do not wax indignant. Understand.

Problems are not stop signs, they are guidelines.

I can, therefore I am.

If you're going through hell, keep going.

To know oneself, one should assert oneself.

Either you run the day or the day runs you.

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

Always desire to learn something useful.