Problems are not stop signs, they are guidelines.
It's always too early to quit.
The wise does at once what the fool does at last.
Do not weep do not wax indignant. Understand.
Know or listen to those who know.
Wherever you are - be all there.
If you think you can do it, you can.
Expect problems and eat them for breakfast.
Go for it now. The future is promised to no one.
Only the educated are free.
That's something I learned in art school. I studied graphic design in Germany, and my professor emphasized the responsibility that designers and illustrators have towards the people they create things for.