Sometimes the most urgent and vital thing you can possibly do is to take a complete rest.
Our life is frittered away by detail… simplify, simplify.
Laziness is like a lock, which bolts you out of the storehouse of information and makes you an intellectual starveling.
We don’t want to tell our dreams. We want to show them.
Friendship is both a source of pleasure and a component of good health.
Ceaseless work, analysis, reflection, writing much, endless self-correction, that is my secret.
Life is a journey, and the most valuable thing is always those who are traveling with you.
The supreme happiness of life is the conviction that we are loved.
Science is organized knowledge. Wisdom is organized life.
The foundation of knowledge must be laid by reading. General principles must come from books, which, however, must be brought to the test of real life.