Great ideas need landing gear as well as wings.

I no longer know who I am, as I refuse to remember who I was.

The measure of our love for others can largely be determined by the frequency and earnestness of our prayers for them.

Sometimes truth is costly but not nearly as costly as deception.

I learned you could suffer a terrible tragedy and still be happy again.

Happiness! Can any human being undertake to define it for another?

For behavior, men learn it, as they take diseases, one of another.

I feel a feeling which I feel you all feel.

You can't get anywhere flying under the radar.

Hoc age ['do this'] is the great rule, whether you are serious or merry; whether ... learning science or duty from a folio, or floating on the Thames. Intentions must be gathered from acts.

Understanding is always in some sense retrospective, which is what Hegel meant by remarking that the owl of Minerva flies only at night.