While I thought that I was learning how to live, I have been learning how to die.

The acquisition of knowledge is always of use to the intellect, because it may thus drive out useless things and retain the good. For nothing can be loved or hated unless it is first known.

Learning never exhausts the mind

Learning never exhausts the mind.

The knowledge of all things is possible

All knowledge which ends in words will die as quickly as it came to life, with the exception of the written word: which is its mechanical part.