We usually overestimate what ...

We usually overestimate what we think we can accomplish in one year-but we grossly underestimate what we can accomplish in a decade.
We usually overestimate what we think we can accomplish in one year-but we grossly underestimate what we can accomplish in a decade.

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If one does not know to which port one is sailing, no wind is favorable.
What a distressing contrast there is between the radiant intelligence of the child and the feeble mentality of the average adult.
We are masters of the unsaid words, but slaves of those we let slip out.
I have always found that mercy bears richer fruits than strict justice.
A lie gets halfway around the world before the truth has a chance to get its pants on.

Quotes from the same author

Stay committed to your decisions, but stay flexible in your approach.
Using the power of decision gives you the capacity to get past any excuse to change any and every part of your life in an instant.
To effectively communicate, we must realize that we are all different in the way we perceive the world and use this understanding as a guide to our communication with others.
You always succeed in producing a result.
It is in your moments of decision that your destiny is shaped.