Constant Quote by Lev Landau

Science is the knowledge of constant things, not merely of passing events, and is properly less the knowledge of general laws than of existing…

— John Ruskin

“Plato's point is that we can never have true knowledge of anything that is in a constant state of change. We can only have…

— Jostein Gaarder

I don't find R.E.M. to be nihilistic. There is a constant undertone of joyous optimism. I'm not going to kill myself to Patti Smith…

— Michael Stipe

Innovation is not a big breakthrough invention every time. Innovation is a constant thing. But if you don't have an innovative company [team], coming…

— Jack Welch

Research is an organized method of trying to find out what you are going to do after you cannot do what you are doing…

— Charles Kettering

Be of good cheer. Do not think of today's failures, but of the success that may come tomorrow. You have set yourselves a difficult…

— Helen Keller

I'm a pessimist because of intelligence, but an optimist because of will.

— Antonio Gramsci

The still youthful energies of the globe have only to be directed in their proper channel.

— Henry David Thoreau

“Hope is not mere optimism; rather, it is moving forward in anticipation of redemption in spite of the improbability of rescue.”

— Dan B. Allender

When everything feels like an uphill struggle, just think of the view from the top.

— Anonymous

Oh, dear Hazel.” Aphrodite folded her fan. “Such optimism, yet you have heartrending days ahead of you. Of course war is coming. Love and…

— Rick Riordan

If you can find as much happiness at the bottom of the ladder of success as you can at the top, then you understand…

— Tom Krause