Danh ngôn của Karl Jaspers (Sứ mệnh: 4)

Even scientific knowledge, if there is anything to it, is not a random observation of random objects; for the critical objectivity of significant knowledge is attained as a practice only philosophically in inner action.
If philosophy is practice, a demand to know the manner in which its history is to be studied is entailed: a theoretical attitude toward it becomes real only in the living appropriation of its contents from the texts.
Only then, approaching my fortieth birthday, I made philosophy my life's work.
Reason is like an open secret that can become known to anyone at any time; it is the quiet space into which everyone can enter through his own thought.
The community of masses of human beings has produced an order of life in regulated channels which connects individuals in a technically functioning organisation, but not inwardly from the historicity of their souls.