Problems are not stop signs, they are guidelines.
If you're going through hell, keep going.
After a storm comes a calm.
To know oneself, one should assert oneself.
It's always too early to quit.
If you can dream it, you can do it.
I can, therefore I am.
By failing to prepare, you are preparing to fail.
If you think you can do it, you can.
Know or listen to those who know.
There were no PCs when I started programming on computers.