I believe that ideas such as absolute certitude, absolute exactness, final truth, etc. are figments of the imagination which should not be admissible in any field of science... This loosening of thinking seems to me to be the greatest blessing which modern science has given to us. For the belief in a single truth and in being the possessor thereof is the root cause of all evil in the world.

Meaning: Being truthful often protects trust and avoids the complications of maintaining a deception. Honest conduct can support lasting relationships even when admitting the truth is uncomfortable.

Meaning: A person who is not present can become an easy target for blame because they cannot explain or challenge the account. Be cautious about judgements made without hearing them.

Meaning: Coming close to an act is different from completing it. The saying draws a sharp line between almost and actually, but it should not excuse attempts, dangerous conduct or the consequences of a near miss.

Meaning: A request made at a higher level leaves room to reduce it later. The saying describes flexibility in an opening demand, while its advice needs limits: an inflated request can undermine trust or ignore what the other person can reasonably offer.