So mathematical truth prefers simple words since the language of truth is itself simple.

Those who study the stars have God for a teacher.

The mouse is wise, but the cat is wiser.

May I not seem to have lived in vain.

An astronomer must be cosmopolitan, because ignorant statesmen cannot be expected to value their services

Now it is quite clear to me that there are no solid spheres in the heavens, and those that have been devised by the authors to save the appearances, exist only in the imagination.

And when statesman or others worry [the scientist] too much, then he should leave with his possessions.

Behold, directly overhead, a certain strange star was suddenly seen . . . Amazed, and as if astonished and stupified, I stood still

When I had satisfied myself that no star of that kind had ever shone before, I was led into such perplexity by the unbelievability of the thing that I began to doubt the faith of my own eyes.

There is something eccentric in the orbit of Mars.

It was not just the Church that resisted the heliocentrism of Copernicus.

Mine was the twilight and the morning. Mine was a world of rooftops and love songs.

If a picture paints a thousand words, then a let a picture inspire a thousand words.

Any fear around ‘imperfection’ is a censoring of life now, and when we censor life we simply cannot sense our innate natural joy.

I can travel around the wold and back with out ever leaving the warmth from my bed.

Every treasure is guarded by dragons. That's how you can tell it's valuable.

Here’s the inevitable truth: our hearts will always find something to worship, and that will motivate how we live.

Struggle is the father of all things, virtue lies in blood, leadership is primary and decisive

To Thales the primary question was not what do we know, but how do we know it.

I am a hunter. Not merely 'a person who hunts', but someone to whom this ancient, natural and honorable activity is an essential and deeply meaningful part of life.

When our desires are fulfilled, and we still feel unhappy - this is the moment we begin the process of letting go.