The ultimate value of life depends upon awareness and the power of contemplation rather than upon mere survival.
The roots of education are bitter, but the fruit is sweet.
For imagining lies within our power whenever we wish . . . but in forming opinons we are not free . . .
To love someone is to identify with them.
A human being is a naturally political [animal].
In all things which have a plurality of parts, and which are not a total aggregate but a whole of some sort distinct from the parts, there is some cause.