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.
Be careful how you judge people, most of all friends. You don’t sum up a man’s life in one moment.
Sometimes the meaning of a person’s presence in your life can only be understood after they have left.
Fight for your opinions, but do not believe that they contain the whole truth or the only truth.
Let the dead have the immortality of fame, but the living the immortality of love.
Education is not the filling of a pail, but the lighting of a fire.