I say luck is when an opportunity comes along, and you're prepared for it.
Against stupidity the gods themselves contend in vain.
It is curious that physical courage should be so common in the world and moral courage so rare.
A smiling face is half the meal.
Learn the art of patience. Apply discipline to your thoughts when they become anxious over the outcome of a goal. Impatience breeds anxiety, fear, discouragement and failure. Patience creates confidence, decisiveness, and a rational outlook, which eventually leads to success.
Computer Science is no more about computers than astronomy is about telescopes.
Most advances in science come when a person for one reason or another is forced to change fields.