I assert that the cosmic religious experience is the strongest and the noblest driving force behind scientific research.

Not all things worth counting are countable and not all things that count are worth counting.

Common sense is the collection of prejudices acquired by age eighteen.

Some men spend a lifetime in an attempt to comprehend the complexities of women. Others pre-occupy themselves with somewhat simpler tasks, such as understanding the theory of relativity!

... a person who is religiously enlightened appears to me to be one who has, to the best of his ability, liberated himself from the fetters of his selfish desires and is preoccupied with thoughts, feelings, and aspirations to which he clings because of their superpersonal value.

The only justifiable purpose of political institutions is to ensure the unhindered development of the individual.

Smoke like a chimney, work like a horse, eat without thinking, go for a walk only in really pleasant company.