Expect problems and eat them for breakfast.
To know oneself, one should assert oneself.
Go for it now. The future is promised to no one.
By failing to prepare, you are preparing to fail.
Be kind whenever possible. It is always possible.
You never know what motivates you.
Know or listen to those who know.
After a storm comes a calm.
Without hard work, nothing grows but weeds.
Well done is better than well said.
There are simply more young people than there ever were. You get this feeling of strength. Also, large numbers can be a drawback, making it difficult to lose one's anonymity.
Teenagers today are more free to be themselves and to accept themselves.