The greatest thing in the small compass is a sound mind in a human body. Strive with all your body to be a lover of toil, and with your soul to be a … - Isocrates

Therefore, since the others are so lacking in spirit, I think it is opportune for you to head the war against the King; and, while it is only natural for the other descendants of Heracles, and for men who are under the bonds of their polities and laws, to cleave fondly to that state in which they happen to dwell, it is your privilege, as one who has been blessed with untrammeled freedom, to consider all Hellas (Greece) your fatherland, as did the founder of your race, and to be as ready to brave perils for her sake as for the things about which you are personally most concerned.

Be more careful in guarding against censure than against danger; for the wicked may well dread the end of life, but good men should dread ignominy during life. Strive by all means to live in security, but if ever it falls to your lot to face the dangers of battle, seek to preserve your life, but with honour and not with disgrace; for death is the sentence which fate has passed on all mankind, but to die nobly is the special honour with nature has reserved for the good.

If you are fond of learning, you will soon be full of learning.