The secret of getting ahead is getting started.
If you can dream it, you can do it.
You never know what motivates you.
Be gentle to all and stern with yourself.
It's always too early to quit.
The wise does at once what the fool does at last.
Problems are not stop signs, they are guidelines.
To know oneself, one should assert oneself.
Either you run the day or the day runs you.
The dog that trots about finds a bone.
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.