At bottom each “exact” science is, and must be speculative, and its chief tool of research, too rarely used with both courage and judgement, is the regulated imagination.

The more we know, the more we grief.

Remember, the burden of sorrow is doubled when it is borne alone.

For wherein is life sweet to him who suffers grief?

In the sleeping state, instead, one is much more oneself, even if society never ceases to intervene.

I have everything I need. A square of sky, a piece of stone, a page, a pen, and memory raining down on me in sleeves.

Every pleasure you forgoe on Earth is a pleasure you won't get in heaven.

I will not hide my tastes or aversions. If you are true, but not in the same truth with me, cleave to your companions; I will seek my own.

Dust to dust, ashes to ashes. Halleluiah amen, you are dismissed.

To solve a problem or to reach a goal, you don't need to know all the answers in advance. But you must have a clear idea of the problem or the goal you want to reach.