A scientist is a mimosa when he himself has made a mistake, and a roaring lion when he discovers a mistake of others.

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

Sometimes one pays most for the things one gets for nothing.

Common sense is nothing more than a deposit of prejudices laid down by the mind before you reach eighteen.

What is essential in the life of a man of my kind is what he thinks and how he thinks, and not what he does or suffers.

The desire for guidance, love, and support prompts men to form the social or moral conception of God. This is the God of Providence, who protects, disposes, rewards, and punishes; the God who, according to the limits of the believer's outlook, loves and cherishes the life of the tribe or of the human race, or even of life itself; the comforter in sorrow and unsatisfied longing; he who preserves the souls of the dead. This is the social or moral conception of God.

I know that the most joy in my life has come to me from my violin.