Small, deliberate actions practiced consistently can lead to big changes in happiness levels.
The most dangerous strategy is to compete with rivals on their own terms.
The only time success comes before work is in the dictionary.
The best programs are written so that computing machines can perform them quickly and so that human beings can understand them clearly.
I don't believe in luck. I believe in hard work and persistence.
The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.