They will make you secure for the present.

But will they assure your future?
that is, will they permit you to continue the important works of which you have spoken to me, and on which your future depends?
No.

Your struggles will soon begin again.

And you must shake yourself clear from such cares in order to secure for yourself the liberty that is indispensable if you wish to advance rapidly.

And to obtain this freedom from cares and this liberty, I see only one way--you must marry.".