Your time is limited, don't waste it living someone else's life.
In science, the most dangerous phrase is 'We've always done it this way.'
诗歌是灵魂的音乐，在心灵的寂静中回响。
Facts are stubborn things; and whatever may be our wishes, our inclinations, or the dictates of our passion, they cannot alter the state of facts and evidence.
"The past is not a place but a condition."