The best way to predict the future is to create it.
The true challenge in mathematics is not solving problems, but asking the right questions.
Psychology must be a science of phenomena, not noumena.
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'
The community stagnates without the impulse of the individual. The impulse dies away without the sympathy of the community.