Do not try to seem wise to others.
Have the wisdom to know what cannot be changed, and the strength to change what can.
Were I a nightingale, I would act the part of a nightingale; were I a swan, the part of a swan.
We are not disturbed by what happens to us, but by our thoughts about what happens to us.
Progress is not achieved by luck or accident, but by working on yourself daily.
You may fetter my leg, but Zeus himself cannot get the better of my free will.