Do not wait for the last judgment. It comes every day.
Science is the outcome of being prepared to live without certainty and therefore a mark of maturity. It embraces doubt and loose ends.
There is nothing enlightened about shrinking so that other people won't feel insecure around you. We are all meant to shine, as children do.
To do a great right do a little wrong.
Take a chance! All life is a chance. The man who goes farthest is generally the one who is willing to do and dare.
If you have been sunned through and through like an apricot on a wall from your earliest days, you are oversensitive to any withdrawal of heat.
The historian looks backward. In the end he also believes backward.
A woman may very well form a friendship with a man, but for this to endure, it must be assisted by a little physical antipathy.
Begin to see yourself as a soul with a body rather than a body with a soul.
Sow a thought and you get an act; Sow an act and you get a habit; Sow a habit and you get a character; Sow a character and you get a destiny.
Life shrinks or expands in proportion to one's courage.
There is one common struggle against those who have appropriated the earth, the money, and the machines.
It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is the most adaptable to change.
If people do not believe that mathematics is simple, it is only because they do not realize how complicated life is.
You can find the entire cosmos lurking in its least remarkable objects.
If a man neglects education, he walks lame to the end of his life
Simplicity is the keynote of all true elegance.
The love of life is necessary to the vigorous prosecution of any undertaking.
Don't own so much clutter that you will be relieved to see your house catch fire.
Science is the most reliable guide for civilization, for life, for success in the world. Searching a guide other than the science is meaning carelessness, ignorance and heresy.
I would rather entertain and hope that people learned something than educate people and hope they were entertained.