Occasionally one speaks... of signals or signal chains. It should be noted that the word signal means the transmission of signs and hence concerns the very principle of causal order.

If error is corrected whenever it is recognized as such, the path of error is the path of truth.

You see, there is no more purpose or meaning in the world than you put into it.

It appears that the solution of the problem of time and space is reserved to philosophers who, like Leibniz, are mathematicians, or to mathematicians who, like Einstein, are philosophers.

Philosophy is regarded by many as inseparable from speculation. ... Philosophy has proceeded from speculation to science.

We must... maintain that mathematical geometry is not a science of space insofar as we understand by space a visual structure that can be filled with objects - it is a pure theory of manifolds.

Visual forms are not perceived differently from colors or brightness. They are sense qualities, and the visual character of geometry consists in these sense qualities.

...the mathematician uses an indirect definition of congruence, making use of the fact that the axiom of parallels together with an additional condition can replace the definition of congruence.

There's a fine line between forgiveness and denial.

This is unbearable ... God. These books she'll never read. Her Life's Library.

My character and good name are in my own keeping. Life with disgrace is dreadful. A glorious death is to be envied.

The more we die, the stronger we will become

If I want to do the kind of work that I like to act in, I need to open my mind to it.

We are increasing our efforts to attract the right kind of foreign investors through our various agencies.

The inconvenience, the glaring lights, the long hours of waiting, and the repetition of every scene are all calculated to defeat anything more than a real mastery of love technique.

As far as income tax payments go, sources vary in their accounts, but a range of studies find that immigrants pay between $90 billion and $140 billion in Federal, State, and local taxes.

Marcel Desailly was pretty hard when I played against him in a Milan derby.

Sufism has always had the function of purifying Islamic ethics and that fasting and tazkiya is like lighting a lamp.