How could I fail to be a lone wolf, and an uncouth hermit, as I did not share one of its aims nor understand one of its pleasures?

As every flower fades and as all youth departs, so life at every stage, so every virtue, so our grasp of truth blooms in its day and may not last forever. Since life may summon us at every age, be ready, heart, for parting, new endeavour, be ready bravely and without remorse to find new light that old ties cannot give. In all beginnings dwells a magic force for guarding us and helping us to live.

Most men will not swim before they are able to.' Is not that witty? Naturally, they won't swim! They are born for the solid earth, not for the water. And naturally they won't think. They are made for life, not for thought. Yes, and he who thinks, what's more, he who makes thought his business, he may go far in it, but he has bartered the solid earth for the water all the same, and one day he will drown.

Only the ideas that we really live have any value.

It is a pity that you students aren't fully aware of the luxury and abundance in which you live.

I learned through my body and soul that it was necessary for me to sin, that I needed lust, that I had to strive for property and experience nausea and the depths of despair in order to learn not to resist them, in order to learn to love the world.

Knowledge can communicated but not wisdom.