Go for it now. The future is promised to no one.
Always desire to learn something useful.
Without hard work, nothing grows but weeds.
You never know what motivates you.
Be gentle to all and stern with yourself.
If you're going through hell, keep going.
Who seeks shall find.
By failing to prepare, you are preparing to fail.
I can, therefore I am.
Never complain and never explain.
Based on 30 years of experience with the Iranians, they will give you 100 words. Trust only one of the 100.