Your fervent wishes can only find fulfillment if you succeed in attaining love and understanding of men, and animals, and plants, and stars, so that every joy becomes your joy and every pain your pain.

I believe, indeed, that overemphasis on the purely intellectual attitude, often directed solely to the practical and factual, in our education, has led directly to the impairment of ethical values.

The only thing that interferes with my learning is my education.

Common sense is that layer of prejudices which we acquire before we are sixteen.

For me the Jewish religion like all other religions is an incarnation of the most childish superstitions.

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

A person who never made a mistake never tried anything new.