There must be logical minds among all species if they hope to survive. Not everyone can be bridled with hope and optimism.

She had seen this relationship dying before it ever lived, but allowed optimism and lust to blind her.

I embrace, I veritably hug and cuddle, the concept of optimism. It is the core of my approach to my existence.

Without passion, nobody can truly commit to anything and without optimism, positive outcomes become scarce.

Optimism," said Cacambo, "What is that?" "Alas!" replied Candide, "It is the obstinacy of maintaining that everything is best when it is worst.

Who underestimates is buried in the optimism of the deads. (Qui sous-estime s'enterre - Dans l'optimisme des morts.)

Real optimism is not the pep talk you give yourself. It is earned through the labor involved in emotional housekeeping.

There are grounds for cautious optimism that we may now be near the end ofthe search for the ultimate laws of nature.

We try and reflect that there's a lot of optimism, there's a lot of positive things that are happening in 'Silicon Valley'.

Societies would _not_ be better off if everyone were like Mr Spock, all rationality and no emotion. Instead, a balance - a teaming up of the internal rivals - is optimal for brains. ... Some balance of the emotional and rational systems is needed, and that balance may already be optimized by natural selection in human brains.