I can, therefore I am.

To know oneself, one should assert oneself.

Without hard work, nothing grows but weeds.

Begin to be now what you will be hereafter.

Things do not happen. Things are made to happen.

If you're going through hell, keep going.

By failing to prepare, you are preparing to fail.

It's always too early to quit.

Do not weep do not wax indignant. Understand.