If your head is made of wax, don't walk in the sun

Joy doesn't exist in the world, it exists in us.

...till we are uneasy in Rest, we can have no Desire to move, and without Desire of moving there can be no voluntary Motion.

The noblest question in the world is: 'What good may I do in it?'

If you have time don't wait for time.

I say it is impossible that so sensible a people [citizens of Paris], under such circumstances, should have lived so long by the smoky, unwholesome, and enormously expensive light of candles, if they had really known that they might have had as much pure light of the sun for nothing.

In success be moderate.