理论
Theoretically there is a perfect possibility of happiness: believing in the indestructible element within oneself, and not striving towards it.
I don’t follow any particular theory. I just do what seems right to me.
"We are all agreed that your theory is crazy. The question which divides us is whether it is crazy enough to have a chance of being correct."
"I'm not a theorist. I'm not an intellectual. I write plays."
The study of cognition requires both empirical and theoretical approaches.
The most important thing about a theory is that it explains the facts.
Psychological theories must pass the test of practical experience.
The test of a psychological theory is its applicability to life.
The worth of a psychological theory is measured by its usefulness.
Psychology must bridge the gap between theory and practical life.
"I’m a firm believer in the theory that you only play your best when you’re having fun."
The study of consciousness must be free from all theoretical assumptions.
Psychology must be a science of facts, not theories.
I’m a firm believer in the theory that you only get out what you put in.
We must resist the temptation to make African art merely illustrative of theory.
The most profound theories often arise from the simplest observations.
The deepest insights in mathematics often come from the most abstract theories.