You never know what motivates you.
To know oneself, one should assert oneself.
If you can dream it, you can do it.
Things do not happen. Things are made to happen.
Problems are not stop signs, they are guidelines.
Quality is not an act, it is a habit.
Wherever you are - be all there.
If you think you can do it, you can.
If you're going through hell, keep going.
Be gentle to all and stern with yourself.
There were no PCs when I started programming on computers.