Full Idea
Every member of the commonwealth must be entitled to reach any degree of rank which a subject can earn through his talent, his industry and his good fortune.
Gist of Idea
Citizens can rise to any rank that talent, effort and luck can achieve
Source
Immanuel Kant (True in Theory, but not in Practice [1792], 2-2)
Book Reference
Kant,Immanuel: 'Political Writings', ed/tr. Reiss,Hans [CUP 1996], p.75
A Reaction
This is equality of opportunity, which is a mantra for liberals, but has been subjected to good criticisms in modern times. The main question is whether there is formal and legal equality, or actual practical equality.