Do not look for a sanctuary in anyone except yourself.

The first duty of the university is to teach wisdom, not a trade; character, not technicalities. We want a lot of engineers in the modern world, but we do not want a world of engineers.

The man who stands firm in order to protect a sand-castle can never be relied upon; for he has given away his common sense.

We are happier in many ways when we are old than when we were young. The young sow wild oats. The old grow sage.

By swallowing evil words unsaid, no one has ever harmed his stomach.

Do not let spacious plans for a new world divert your energies from saving what is left of the old.