You have to allow a certain amount of time in which you are doing nothing in order to have things occur to you, to let your mind think.

All genuine learning is active, not passive.

It is love rather than sexual lust or unbridled sexuality if, in addition to the need or want involved, there is also some impulse to give pleasure to the persons thus loved and not merely to use them for our own selfish pleasure.

The ultimate end of education is happiness or a good human life, a life enriched by the possession of every kind of good, by the enjoyment of every type of satisfaction.

The person who says he knows what he thinks but cannot express it usually does not know what he thinks.

The telephone book is full of facts, but it doesn't contain a single idea.

Not to engage in this pursuit of ideas is to live like ants instead of like men.