All truth passes through 3 stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.

Everyone takes the limits of his own vision for the limits of the world.

Every nation ridicules other nations — and all are right.

Every person takes the limits of their own field of vision for the limits of the world.

The memory should be specially taxed in youth, since it is then that it is strongest and most tenacious. But in choosing the things that should be committed to memory the utmost care and forethought must be exercised; as lessons well learnt in youth are never forgotten.

Noise is the most impertinent of all forms of interruption. It is not only an interruption, but is also a disruption of thought.

Compassion is the basis of all morality.

All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.