Nothing fortifies scepticism more than the fact that there are some who are not sceptics; if all were so, they would be wrong.

There are some who speak well and write badly. For the place and the audience warm them, and draw from their minds more than they think of without that warmth.

If our condition were truly happy, we would not seek diversion from it in order to make ourselves happy.

Reason commands us far more imperiously than a master; for in disobeying the one we are unfortunate, and in disobeying the other we are fools.

There is nothing more real than this, nothing more terrible. Be we as heroic as we like, that is the end which awaits the noblest life in the world. Let us reflect on this and then say whether it is not beyond doubt that there is no good in this life

The supreme function of reason is to show man that some things are beyond reason.