To be really cosmopolitan a man must be at home even in his own country.

The first wild-flower of the year is like land after sea.

It is no discredit to Walt Whitman that he wrote Leaves of Grass, only that he did not burn it afterwards.

How many lessons of faith and beauty we should lose, if there were no winter in our year!

Great men are rarely isolated mountain-peaks; they are the summits of ranges.

Do not waste a minute - not a second - in trying to demonstrate to others the merits of your performance. If your work does not vindicate itself, you cannot vindicate it.

What are Raphael's Madonnas but the shadow of a mother's love, fixed in permanent outline forever?

How much that the world calls selfishness is only generosity with narrow walls,--a too exclusive solicitude to maintain a wife in luxury, or make one's children rich.

There is certainly no defence or water -proof garment against adverse fortune which is, on the whole, so effectual as an habitual sense of humor.

The most fertile soil does not necessarily produce the most abundant harvest. It is the use we make of our faculties which renders them valuable.

Originality is simply a pair of fresh eyes.

Read not only between the lines, but also what is not written.

That's the problem with memories: you can visit them but you can't live with them.

I never wanted to regret the kisses I missed.

We are involved in technology development for, you know, missions that we hope to plan that would take us to an asteroid and eventually to Mars.

One lesson you better learn if you want to be in politics is that you never go out on a golf course and beat the President.

Life is glorious when it is happy; days are carefree when they are happy; the interplay of thought and imagination is far superior to that of muscle and sinew.

If anybody didn't have a messiah complex, it was Jesus.

All the joys of earth will not assuage our thirst for happiness; while a single grief suffices to shroud life in a sombre veil, and smite it with nothingness at all points.

If you look at my columns I precisely said we have to avoid that. That it's important not to stereotype [Donald] Trump voters.

I can never stand still. I must explore and experiment.