Love is a serious mental disease.

For as there are misanthropists, or haters of men, there are also misologists, or haters of ideas, and both spring from the same cause, which is ignorance of the world.

For this feeling of wonder shows that you are a philosopher, since wonder is the only beginning of philosophy.

Either we shall find what it is we are seeking or at least we shall free ourselves from the persuasion that we know what we do not know.

There is no other start to philosophy but wonder.

The wolf cares not, how many the sheep be.

The soul is like a pair of winged horses and a charioteer joined in natural union.