If I am fool, it is, at least, a doubting one; and I envy no one the certainty of his self-approved wisdom.

From principles is derived probability, but truth or certainty is obtained only from facts.

Premature certainty is the enemy of the truth.

In an ecology of love, people can relate in trust and face the future without fear. They do not need to play it safe. They can take uncertainty in their stride.

Since we don't know with any certainty what specific aptitudes today's students will need tomorrow, we need to ensure they have the critical thinking and problem-solving abilities that extend beyond any one technology or program.

Every moral teacher or spiritual adviser gives injunctions about how to live wisely and well. But life is so complicated and full of uncertainty that rules seldom tell us quite what to do.

In spite of the opinions of certain narrow-minded people, who would shut up the human race upon this globe, as within some magic circle it must never outstep, we shall one day travel to the moon, the planets, and the stars, with the same facility, rapidity, and certainty as we now make the voyage from Liverpool to New York!

Medicine is a science of uncertainty and an art of probability.

I'm a scientist, not a theologian. I don't know if there is a God or not. Religion requires certainty.

It's not so much religion per se, it's false certainty that worries me, and religion just has more than its fair share of false certainty or dogmatism. I'm really concerned when I see people pretending to know things they clearly cannot know.

If we must not act save on a certainty, we ought not to act on religion, for it is not certain. But how many things we do on an uncertainty, sea voyages, battles!

The power of the lawyer is in the uncertainty of the law.

The uncertainty of parenting can bring up feelings in us that range from frustration to terror.

Ironically, parenting is a shame and judgment minefield precisely because most of us are wading through uncertainty and self-doubt when it comes to raising our children.

Although our intellect always longs for clarity and certainty, our nature often finds uncertainty fascinating.

For my part I know nothing with any certainty, but the sight of the stars makes me dream.

Markets are constantly in a state of uncertainty and flux and money is made by discounting the obvious and betting on the unexpected.

The fastest way to break the cycle of perfectionism and become a fearless mother is to give up the idea of doing it perfectly - indeed to embrace uncertainty and imperfection.

The unique and supreme voluptuousness of love lies in the certainty of committing evil. And men and women know from birth that in evil is found all sensual delight.

Persuasion is achieved by the speaker's personal character when the speech is so spoken as to make us think him credible. We believe good men more fully and more readily than others: this is true generally whatever the question is, and absolutely true where exact certainty is impossible and opinions are divided.

We must always remember that all medical interventions have risk, and very little can be asserted with 100 percent certainty.

A written constitution guides and directs the application of law in a way utterly unlike oral guidance. It reminds us that the certainty and consistency of legal application is essential.

In times of uncertainty, employees crave clarity. As a leader, you won't always have all of the answers - no one expects you to - so you must be open to listening and learning from others. Once you understand a particular challenge and outline the options, you have to be confident in making bold and optimistic decisions.

It's about learning how to slow down... I think this Covid environment that we're in there's a lot of sadness and a lot of pressure going on in terms of the uncertainty, but what it is teaching us or forcing us to do is appreciate the small things: be grateful for a slower pace of life.