Raising children is an incredibly hard and risky business in which no cumulative wisdom is gained: each generation repeats the mistakes the previous one made.
Bill Cosby

The essence of childhood, of course, is play, which my friends and I did endlessly on streets that we reluctantly shared with traffic.
Bill Cosby

A nation which has forgotten the quality of courage which in the past has been brought to public life is not as likely to insist upon or regard that quality in its chosen leaders today - and in fact we have forgotten.
John F. Kennedy

I look forward to a great future for America - a future in which our country will match its military strength with our moral restraint, its wealth with our wisdom, its power with our purpose.
John F. Kennedy

Repetition of the same thought or physical action develops into a habit which, repeated frequently enough, becomes an automatic reflex.
Norman Vincent Peale

We are fast approaching the stage of the ultimate inversion: the stage where the government is free to do anything it pleases, while the citizens may act only by permission; which is the stage of the darkest periods of human history, the stage of rule by brute force.
Ayn Rand

The hardest thing to explain is the glaringly evident which everybody had decided not to see.
Ayn Rand

Just as man can't exist without his body, so no rights can exist without the right to translate one's rights into reality, to think, to work and keep the results, which means: the right of property.
Ayn Rand

Happiness is that state of consciousness which proceeds from the achievement of one's values.
Ayn Rand

A desire presupposes the possibility of action to achieve it; action presupposes a goal which is worth achieving.
Ayn Rand

That which does not kill us makes us stronger.
Friedrich Nietzsche

We hear only those questions for which we are in a position to find answers.
Friedrich Nietzsche

And we should consider every day lost on which we have not danced at least once. And we should call every truth false which was not accompanied by at least one laugh.
Friedrich Nietzsche

Does wisdom perhaps appear on the earth as a raven which is inspired by the smell of carrion?
Friedrich Nietzsche

We should consider every day lost on which we have not danced at least once. And we should call every truth false which was not accompanied by at least one laugh.
Friedrich Nietzsche

All sciences are now under the obligation to prepare the ground for the future task of the philosopher, which is to solve the problem of value, to determine the true hierarchy of values.
Friedrich Nietzsche

War has always been the grand sagacity of every spirit which has grown too inward and too profound; its curative power lies even in the wounds one receives.
Friedrich Nietzsche

The aphorism in which I am the first master among Germans, are the forms of "eternity"; my ambition is to say in ten sentences what everyone else says in a book - what everyone else does not say in a book.
Friedrich Nietzsche

The most common lie is that which one lies to himself; lying to others is relatively an exception.
Friedrich Nietzsche

We often refuse to accept an idea merely because the tone of voice in which it has been expressed is unsympathetic to us.
Friedrich Nietzsche