Some quotes you may find inspiring:

Know Thyself.
– The Oracle at Delphi

Our general instinct to seek and learn will set us enquiring into the nature of the instrument with which we search.
– Plotinus

Everyone thinks of changing humanity; no one thinks of changing himself.
– Leo Tolstoy

What lies behind us and what lies before us are very tiny compared to what lies within us.
– Ralph Waldo Emerson

If there were no beauty in the observer then he would not find beauty outside. The mere fact that beauty is seen proves that there is beauty already present in the state of being the observer.
– Shantananda Saraswati

He tastes nothing who has not tasted for himself.
– Marsilio Ficino