He planned to study medicine and even wrote "Property of Medical Student Abba Schneller" on his notebooks, but his plans were disrupted by the outbreak of World War I in 1914.
Ia berencana untuk mempelajari pengobatan dan pernah menulis "Properti Pengobatan Siswa Abba Schneller" di buku catatannya, namun rencananya gagal karena meletusnya Perang Dunia I pada 1914.