What was more needed by this old man who divided the leisure hours of his life, where he had so little leisure, between gardening in the daytime, and contemplation at night? Was not this narrow enclosure, with the sky for a background, enough to enable him to adore God in his most beautiful as well as in his most sublime works? Indeed, is not that all, and what more can be desired? A little garden to walk, and immensity to reflect upon. At his feet something to cultivate and gather; above his head something to study and meditate upon: a few flowers on the earth, and all the stars in the sky.
To know how to distinguish the agitation arising from covetousness, from the agitation arising from principles, to fight the one and aid the other, in this lies the genius and the power of great revolutionary leaders.
In saying no to progress, it is not the future which they condemn, but themselves. They give themselves a melancholy disease; they inoculate themselves with the past. There is but one way of refusing tomorrow, that is to die.
We must never fear robbers or murderers. They are dangers from outside, small dangers. It is ourselves we have to fear. Prejudice is the real robber, vice the real murderer. Why should we be troubled by a threat to our person or our pocket? What we have to beware of is the threat to our souls'.
Astronomy, that micography of heaven, is the most magnificent of the sciences. ... Astronomy has its clear side and its luminous side; on its clear side it is tinctured with algebra, on its luminous side with poetry.