I can calculate the motion of heavenly bodies, but not the madness of people.
Sir Isaac Newton
I think; therefore I am.
I have made a ceaseless effort not to ridicule, not to bewail, not to scorn human actions, but to understand them.
Baruch (Benedict de) Spinoza
Il n'y a plus de Pyrénées.
Louis XIV of France
"The world is my country, science is my religion."
Rest, rest, shall I have not all eternity to rest.
The heart has reasons which the reason knows not of.
If he is mad, so much the better; and if he is mad, I hope to God he’ll bite some of my generals.
Duke Georg August
I have conquered an empire but I have not been able to conquer myself.
Peter The Great
It is labour indeed that puts the difference on everything.
What is tolerance? -- it is the consequence of humanity. We are all formed of frailty and error; let us pardon reciprocally each other's folly -- that is the first law of nature.
To be without some of the things you want is an indispensable part of happiness.
Our youth we can have but to-day,
We may always find time to grow old.
Science would be ruined if (like sports) it were to put competition above everything else, and if it were to clarify the rules of competition by withdrawing entirely into narrowly defined specialties. The rare scholars who are nomads-by-choice are essential to the intellectual welfare of the settled disciplines.
How on earth are you ever going to explain in terms of chemistry and physics so important a biological phenomenon as first love?
The idea that information can be stored in a changing world without an overwhelming depreciation of its value is false. It is scarcely less false than the more plausible claim that after a war we may take our existing weapons, fill their barrels with information.
Every moment dies a man,
Every moment 1 1/16 is born.
Very little is needed to make a happy life.
The greatest weakness of all weaknesses is to fear too much to appear weak.
Each today, well-lived, makes yesterday a dream of happiness and each tomorrow a vision of hope. Look, therefore, to this one day, for it and it alone is life.
The way of the creative works through change and transformation, so that each thing receives its true nature and destiny and comes into permanent accord with the great harmony: this is what furthers and what perseveres.
Wealth and poverty: the one is the parent of luxury and indolence, and the other of meanness and viciousness, and both of discontent
Where your talents and the needs of the world cross, there lies your vocation.
The forces of good and evil are working within and around me, I must choose, and in a free will universe I do have a choice.