克服困難的條件一直都很簡單。我們只需要努力一會兒、堅持一會兒、永保信念，且绝不折返。 The conditions of conquest are always easy. We have but to toil awhile, endure awhile, believe always, and never turn back.

克服困難的條件一直都很簡單。我們只需要努力一會兒、堅持一會兒、永保信念，且绝不折返。 The conditions of conquest are always easy. We have but to toil awhile, endure awhile, believe always, and never turn back.  
塞內卡 - 古羅馬哲學家