Hard studeren.

The Dutch phrase 'Hard studeren' literally translates to 'study hard.' The word 'hard' in Dutch, much like in English, can refer to something being physically firm or difficult, but also to intensity or diligence. In this context, it signifies the latter. 'Studeren' comes from the Latin 'studere,' meaning 'to be eager, to apply oneself, to study.' This Latin root spread throughout European languages, giving rise to similar words in English ('to study'), German ('studieren'), French ('étudier'), and others. The concept of applying oneself diligently to learning has been present for centuries, reflecting the universal understanding that significant effort often leads to greater knowledge acquisition. The combination 'hard studeren' emphasizes the dedication and rigorous application required, rather than just the act of studying itself. It's a common idiom used to encourage or describe intense academic or professional work, implying long hours, deep concentration, and a commitment to mastering the subject matter. This phrase has likely been in use in the Dutch language for a considerable period, mirroring the educational and work ethic values that have been historically prevalent in Dutch culture.